hartley: Chemistry Terms C 8 Nomenclature

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Terms associated with Chapter 8, Nomenclature

Ion

an atom or group of atoms with excess charge

Cation

a positive ion

Anion

a negative ion

Proton

positive part of an atom

Neutron

neutral part of an atom

Electron

negative part of an atom

Molecular Formula

actual number of atoms in a molecule

Empirical Formula

simplest ratio of atoms in a molecule

Electronegativity

a measure of the degree of attractiveness for electrons

Diatomic Molecule

atoms naturally paired up in a covalent bond

Polyatomic Ions

a group of atoms with a net charge

Binary Compound

compounds having no polyatomic ions

Ternary Compound

compounds having at least one polyatomic ion

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