Two or more atoms held together by a chemical bond. Energy is required for the chemical reaction to bond atoms.
Two or more atoms held together by a chemical bond A) ionic B) covalent C) hydrophilic D) hydrogen E) hydrophobic, This A (n) _____________ is made of two or more atoms held together by chemical bonds in a stable association. The bonded atoms may be of the same element, as in H 2, which is called molecular hydrogen or hydrogen gas. Two Classes of Compounds Compounds are defined as substances containing two or more different chemical elements. Atoms in a molecule are held together by chemical bonds, such as covalent bonds, where they share electrons. ~ion ~shell ~community ~isotope ~molecule, What name is given to the bond between water molecules? ~hydrophobic ~polar covalent ~ionic ~hydrogen ~single (nonpolar) covalent, The atomic number of sulfur is 16. , The smallest parts of these A bond is a weak or strong electrical attraction that holds atoms in the same vicinity. The new grouping is typically more stable—less likely to react again—than its component atoms were when they were separate. The bonded atoms may be of the same element, as in the case of H2, which is called molecular hydrogen or hydrogen gas. The biological macromolecules that we are going to study are largely held together by covalent bonds. Match each molecule or pair of molecules with the bond type that holds them together. Some are very simple, such as the oxygen molecules you breathe, which are formed by two oxygen atoms (O 2 Oct 19, 2023 · Diatomic molecules are molecules with two atoms in the structure. The bonded atoms may be of the same element, as in the case of H2, which is called molecular hydrogen or See full list on sciencenotes. Terms in this set (28) Molecule (pp 28-30) two or more atoms held together by chemical bonds Molecule of that element two or more atoms of the same element held together by chemical bond Molecules of a compound A ______ is made of two or more atoms held together by one or more covalent bonds in a stable association. The term “atom” refers to the tiniest unit of matter that can be separated. Polyatomic ions are ions that are made up of two or more atoms held together by covalent bonds. covalent bond a chemical bond that involves sharing a pair of electrons between atoms in a molecule molecule two or more atoms held together by covalent bonds diatomic molecule a molecule consisting of two atoms molecular compound A (n) ____ is made of two or more atoms held together by chemical bonds in a stable association. " Every grouping of two or more atoms is a molecule. A bond is a weak or strong electrical attraction that holds atoms in the same vicinity. Here, we discuss two classes of compounds based on the bond type that holds the atoms together: ionic and covalent. [2][3] The atoms in molecules, crystals, metals and other forms of matter are held together by chemical bonds, which determine the structure and properties of matter. Nov 1, 2025 · The two atoms that are held together by a covalent bond may be atoms of the same element or different elements. When two atoms of different chemical elements bond, they form a chemical compound. This combining of orbitals results in a very strong and stable bond. The combination of atoms that are of two or Molecular models A (blank) is a chemical bond formed when two or more atoms share one or more pairs of valence electrons. Hint: Before answering this question, we should first know about an atom. Oct 20, 2020 · When two or more atoms combine and are held together by chemical bonds, they form a molecule. Molecules are two or more atoms held together by the sharing of electrons (described below). For example, a water molecule (H₂O) consists of two hydrogen atoms and one oxygen atom bonded together. “is the transfer of a valence electron to an atom that has an unfilled valence shell” is incorrect because this describes an ionic Mar 31, 2020 · What Is a Group of Atoms Called? Fill in the blank: "A ** _ _** __ __ __ is composed of two or more atoms held together by chemical bonds. A molecule is a collection of two or more atoms that are securely bound together by attractive forces or by chemical bonds. Study with Quizlet and memorize flashcards containing terms like When two or more different _____ bond together, _____ are formed. The smallest unit of chemical elements having discrete chemical properties is the atom however, the characteristic of a matter depends upon the bonding between the atoms. Some elements consist of molecules, groups of atoms in which one or more pairs of electrons are shared by at least two atoms to form a covalent bond. electron Exists in energy levels around the nucleus of an atom and carries a negative charge molecule Two or more atoms held together by chemical bonds matter Anything which occupies space and has mass mixture Two or more atoms held together by covalent bonds constitute a molecule, in this case a hydrogen molecule. A molecule consisting of atoms of only one element is therefore not a compound. chemical formula a group of chemical symbols and numbers of atoms of each element that make up a compound covalent bonds a chemical bond formed when two atoms share one or more pairs of valence electrons molecule two or more atoms that are held together by covalent bonds and act as a unit polar molecule Anyway, to figure out whether these two hydrogen atoms are going to hold together into a hydrogen molecule, we have to ask ourselves which state has a lower energy: two separate hydrogen atoms, or the hydrogen molecule I've described above. Example: Water (H₂O) has polar covalent bonds, making it essential for life. Molecules can vary in size and A bond is a weak or strong electrical attraction that holds atoms in the same vicinity. Ionic Bonds - NaCl Covalent Bonds Covalent bonds form when electrons are shared between atoms. Bond length is the distance between two bonded atoms at bond energies. A material such as water in which two or more elements are bonded together is called a chemical compound. A stable grouping of two or more atoms held together by chemical bonds is called a molecule. Sulfur combines with hydrogen by covalent bonding 8 The Valence shell of an atom is the outermost occupied electron energy shell two or more atoms are held together in a molecule or compound by attractive forces called chemical bonds when sodium chloride is formed, sodium loses an electron and therefore carries a (n) ______ charge postitive Feb 2, 2023 · The difference is that a molecule is a group of two or more atoms held together by chemical bonds. Molecule A molecule is a group of two or more atoms held together by forces called chemical bonds. , A more or less stable grouping of two or more atoms held together by chemical bonds is called a molecule. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds, hence correct answer is C) molecule. This bond typically forms between nonmetal atoms that have similar electronegativities, meaning neither atom can completely transfer electrons to the other (as in ionic bonding. The new grouping is typically more stable—less likely to react again—than its component atoms were when they were separate. A) community B) shell C) ion D) molecule E) isotope, What name is given to the bond between water molecules? A) single (nonpolar) covalent B) polar covalent C) hydrogen D) ionic E) hydrophobic, Which statement best explains the physical basis for why oil BD: Ions made up of more than one atom which together have experienced a loss or gain of electrons and so carry a charge. , A chemical bond forms when atoms transfer or share electrons, A covalent bond is formed when atoms share electrons. 8 The valence shell of an atom is the outermost occupied electron energy shell Two or more atoms are held together in a molecule or compound by attractive forces called chemical bonds The four bonds that connect the hydrogens to the carbon in methane are called ____ bonds covalent Study with Quizlet and memorize flashcards containing terms like A(n) _____ refers to two or more atoms held together by covalent bonds. They have distinct chemical structures characterized by a fixed ratio of atoms held together by chemical bonds. 2 days ago · Learn about the types and properties of chemical bonds, such as ionic and covalent bonds, and how they are formed by sharing or transferring electrons. Chemical bonds form when electrons can be simultaneously close to two or more nuclei, but beyond this, there is no simple, easily understood theory that would not only explain why atoms bind together … A bond is a weak or strong electrical attraction that holds atoms in the same vicinity. Answer 7: Molecules are made up of atoms that are held together by chemical bonds. A single atom of some elements can exist freely and is also considered a molecule. This could be two atoms attached to one nucleus or two atoms attached to more than one nucleus (heteronuclear). Atoms are held together because there is an electrostatic attractive force between the two atoms. org Each of the hydrogen atoms is held to the oxygen atom in the water molecule by two shared electrons in a covalent bond. The strongest kinds of chemical bonds are covalent bonds and ionic bonds (when in dry ionic compounds). The molecule is the smallest particle of matter that can exist freely. Electrostatic attractionAn electrostatic interaction between oppositely charged species (positive and negative) that Nov 30, 2023 · A molecule is a more or less stable grouping of two or more atoms held together by chemical bonds. The bonded atoms may be of the same element, as in the case of H 2, which is called molecular hydrogen or hydrogen gas. All about atoms and how they bond. 1. Covalent bonding is a type of chemical bond where two atoms share one or more pairs of electrons to achieve stability. A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. Atoms within sodium chloride (NaCl) 2. The diagram below illustrates the covalent bond that forms between two hydrogen atoms to form a molecule of hydrogen. Energy is required for the chemical reaction to bond atoms. Covalent Compounds Covalent bonds are characterized by Sep 26, 2020 · A molecule is a group of two or more atoms held together by chemical bonds. and more. Molecules composed of more than one type of element can also be called compounds. Apr 1, 2020 · A molecule is defined as a group of two or more atoms that are held together by chemical bonds. The atoms in all substances that contain more than one atom are held together by electrostatic interactionsAn interaction between electrically charged particles such as protons and electrons. Covalent bonds are formed by the mutual sharing of electrons between atoms. These chemical bonds are what hold the atoms in the resulting compound together. Thus, a molecule forms the smallest unit of a matter that has distinctive physical and Molecules are substances composed of two or more atoms held together by a chemical bond. Recall that an atom typically has the same number of positively charged protons and negatively charged electrons. Jan 13, 2024 · The atoms of molecules are linked together through a reaction known as chemical bonding. Atoms form every solid, liquid, gas, etc. A molecule/compound is when two or more atoms form a chemical bond, linking them together. Valence electrons and their interactions determine the ____________ properties of an element chemical A group of atoms held together by chemical bonds in a stable association is called a ________ molecule a substance composed of atoms of more than one element that are held together by chemical bonds is called a _________ compound A more or less stable grouping of two or more atoms held together by chemical bonds is called a molecule. Much of the study of chemistry, however, involves looking at what happens when atoms combine with other atoms to form compounds. Consider as an example an Question: Topic: Molecules A molecule is formed when two or more atoms are held together by a chemical bond. [4][5][6][7][8] In quantum physics, organic chemistry, and biochemistry, the distinction from ions is dropped and molecule is often used when Sep 8, 2023 · Molecule Definition Two or more atoms (same or different) that are held together by attractive forces or chemical bonds form a molecule. Answer 8: Molecules are a group of two or more atoms that have bonded together by sharing their electrons. A molecule is a group of two or more atoms that are held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions that satisfy this criterion. It can be decomposed into its constituent elements by chemical means. A covalent bond is a chemical bond formed when two or more atoms hare one or more pairs of valence electrons. However, there are some atoms that cannot bind easily like neon and argon. A compound is a substance which is formed by two or more different types of elements which are united chemically in a fixed proportion. MD: a charged ion composed of two or more atoms covalently bonded Ionic Bond BD: Electrostatic attraction between oppositely charged ions Feb 28, 2018 · A more or less stable grouping of two or more atoms held together by chemical bonds is called a molecule. The atoms may or may not belong to the same element. A more or less stable grouping of two or more atoms held together by chemical bonds is called a molecule. A chemical bond in which atoms are held together by their mutual attraction for one or more pairs of electrons they share A more or less stable grouping of two or more atoms held together by chemical bonds is called a molecule. Just as the structure of the atom is held together by the electrostatic attraction between the positively charged nucleus and the negatively charged electrons surrounding it, the stability within chemical bonds is also due to electrostatic attractions. Study with Quizlet and memorize flashcards containing terms like A compound contains two or more different elements that are chemically bonded together. Sep 24, 2024 · A molecule is a grouping of two or more atoms held together by chemical bonds. Oct 18, 2025 · Molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance. Oct 27, 2025 · Atom - Electrons, Nucleus, Bonds: Once the way atoms are put together is understood, the question of how they interact with each other can be addressed—in particular, how they form bonds to create molecules and macroscopic materials. Jul 5, 2024 · A molecule is a group of two or more atoms bonded together, forming the smallest unit of a chemical compound that retains its chemical properties. Apr 29, 2021 · When various particles, atoms, ions or molecules come together to form a substance, they are held together with chemical bonds. Oct 16, 2018 · Atoms link by forming a chemical bond, which is a weak or strong electrical attraction that holds the atoms together. Essentially, this means that the electrons are orbiting around both of the atoms. There are three basic ways that the outer electrons of atoms can form bonds: The first way gives rise to what is called an ionic bond. Two adjacent water molecules Study with Quizlet and memorize flashcards containing terms like A(n) _____ refers to two or more atoms held together by covalent bonds. Polyatomic ions can join with other polyatomic ions or elemental ions to form ionic compounds. Chemical Bonds - HyperPhysics Chemical Bonds A more or less stable grouping of two or more atoms held together by chemical bonds is called a molecule. These atoms can be of the same element, like in oxygen gas (O 2), or different elements, as seen in water (H 2 O), where hydrogen and oxygen atoms bond together. Learn more about the properties and structures of molecules in this article. Atoms share their valence electrons to form covalent bonds in a molecule. When a molecule is made up of two or more atoms of different elements, it is called a chemical compound. Three idealized types of bonding are ionic bonding, in which positively and negatively charged ions are held together by electrostatic forces, covalent bonding, in which electron pairs are shared between atoms and metallic bonding where electrons are shared across large A non-polar covalent bond is unlikely when two atoms of different elements join because the atoms are likely to differ in their minimum potential energy. The two atoms that are held together by a covalent bond may be atoms of the same element or different elements. The smallest unit of any matter that bonds and forms an element is an atom. When atoms of differe nt element s form covalent bonds, a new substance, called a covalent compound, results. Study with Quizlet and memorize flashcards containing terms like A(n) _____ refers to two or more atoms held together by covalent bonds. It has components: Electrons and nucleus (protons+neutrons). Explore the Lewis approach, formal charge, VSEPR, and examples of molecules and compounds. Jul 23, 2025 · Chemical bonding is the formation of a chemical bond between two or more atoms, molecules, or ions that results in the formation of a chemical compound. There are two types of strong chemical bonds, ionic bonds and covalent bonds. molecule more or less stable grouping of two or more atoms held together by chemical bonds chemical compound is a chemical bond formed when two atoms share one or more pairs of valence electrons. Atoms within water (H2O) 3. Study with Quizlet and memorize flashcards containing terms like the force that holds atoms together, material that is made up of two or more different kinds of atoms joined by chemical bonds, a model that represents valence electrons in an atom as dots around the element's chemical symbol and more. When different types of atoms bond, they form a chemical compound. What is a Molecule? (Molecule Definition) A group of two or more atoms is linked together by sharing electrons in a chemical bond. Two or more atoms held together by covalent bonds in a specified arrangement is called a molecule. The atoms in chemical compounds are held together by attractive electrostatic interactions known as chemical bonds. For example, in a molecule of carbon dioxide (CO2) the atom of carbon and the two atoms of oxygen are held together by chemical bonds. A) shell B) isotope C) community D) ion E) molecule, What type of bond is joining the two hydrogen atoms? There are 2 hydrogen atoms with a pair of electrons shared between these 2 atoms. It can consist of atoms of the same element or atoms of different elements, where the latter forms what is called a compound. In contrast, a compound is a substance formed by two or more different types of elements combined in a fixed ratio. Summary Chemical bonding is the general term used to describe the forces that hold atoms together in molecules and ions. Some atoms can bond together easily like oxygen and chlorine. from the chemical point of view, a particle composed of two or more atoms held together by an attractive force called a chemical bond; from the kinetic theory point of view, the smallest particle of a compound or gaseous element that can exist and still retain the characteristic properties of a substance. When atoms of different elements form covalent bonds, a new substance, called a covalent compound, results. This energy becomes potential chemical energy that is stored in a molecule or chemical compound. The grouping of these atoms is typically more stable and less likely to react further. Molecules can be created through different bonding types, such as covalent and ionic bonds. " There is more than one answer, but the one that probably crossed your mind first is "molecule. —interactions between electrically charged particles such as protons and electrons. The molecular formula of a covalent compound gives the types and numbers of atoms present. As long as this situation remains, the A group of two or more atoms held together by covalent bonds and able to exist independently Bonded nuclei maintain an optimal distance (the bond distance) balancing attractive and repulsive effects explained quantitatively by quantum theory. Study with Quizlet and memorize flashcards containing terms like covalent bond, covalent compound, ion and more. . Complete answer: When two or more atoms are joined together chemically then a molecule is formed. A compound can be transformed into a different substance by a chemical reaction, which may involve interactions with other Compound: a pure substance formed from the bonding of two or more different elements together. A compound is a distinct group of atoms held together by chemical bonds. In most cases, that force of attraction is between one or more negatively charged electrons held by one of the atoms and the positively charged nucleus of the second atom. Jun 11, 2018 · Chemical bond A chemical bond [1] is any force of attraction that holds two atoms or ions together. Learn with flashcards, games, and more — for free. Study with Quizlet and memorize flashcards containing terms like substances, elements, element, Its physical and chemical properties. Atoms are the smallest units of matter that still retain the fundamental chemical properties of an element. dogucdvlzozizzgzffisujmghrhgufitbylqncssgklnhlekpxaqbyatyhwhszvxltyftolbblysttrhaintvb