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CPO Chapter 19 terms

CPO FPS ES Chapter 19 Molecules & Compounds terms

QuestionAnswer
Avogardo's number the number of atoms in the atomic mass of an element
Chemical bond an attraction between two or more different atoms that binds them together.
Chemical formula a representation of a compound that includes the symbols and numbers of atoms in the compound.
Covalent bond a type of chemical bond that is formed when two atoms share electrons.
Diatomic molecules a molecule that has only two atoms of the same element.
Energy level a region around the nucleus of an atom where electrons are most likely to be found; only a certain number of electrons can be found in each energy level of an atom.
Formula mass determined by adding up the atomic mass units of all the atoms in the compound; a way to compare the masses of molecules of different compounds.
Ion an atom that has an electrical charge.
Ionic bond a type of chemical bond between atoms that gained or lost electrons; a bond between ions.
Monoatomic ions ions that contain only one type of atom.
Octet an atom’s eight valence electrons.
Octet rule states that atoms form bonds with other atoms by sharing or transferring them to complete their octet and become stable.
Polyatomic ions ions that contain more than one type of atom.
Polymer a large molecule that is composed of repeating smaller molecules called subunits or monomers.
React describes how atoms interact when forming a chemical bond with another atom.
Subscript a number in a chemical formula that show the number of a type of atom.
Valence electrons the electrons in an atom that are involved in the formation of chemical bonds.
Lewis dot diagrams represents an element and its valence electrons by writting the element symbol and dots around to represent the electrons.
Created by: tjmelia
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