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16 terms

Bonding and Chemical Formula Vocabulary

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Chemical bond
the attractive force that holds atoms or ions together
Chemical structure
the arrangement of bonded atoms or ions with in a substance
Molecule
the smallest unit of a substance that exhibits all of the properties characteristic of that substance
Compound
a substance made of atoms of more than one element bonded together
Ionic bond
a bond formed by the attraction between oppositely charged ions
Metallic bond
a bond formed by the attraction between positively charge metal ions and the electrons around them
Covalent bond
a bond formed when atoms share one or more pairs of electrons
Polyatomic ion
an ion made of two or more atoms that are covalently bonded and that act like a single ion
Empirical Formula
the simplest chemical formula of a compound that tells the smallest whole-number ratio of atoms in the compound
Molecular Formula
a chemical formula that reports the actual numbers of atoms in one molecule of a compound
Cation
an ion with a positive charge
Anion
an ion with a negative charge
Metal
the elements that are good conductors of heat and electricity
Nonmetal
the elements that are usually poor conductors of heat and electricity
Metalloid
elements that have characteristics of both metals and nonmetals
Valance Electron
an electron in the outermost energy level of an atom