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14 Cards in this Set
- Front
- Back
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2 or more atoms chemically bound together are called...
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molecules
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Molecules that are the same element bound together are called...
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diatomic elements
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Substances composed of molecules (usually nonments) are called...
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molecular compounds
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chemical formulas that indicate the actual numbers and types of atoms in a molecule are called...
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Molecular Formulas
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chemical formulas that give the smallest whole number ratio of atoms in a molecule are called...
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Empirical formulas
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A formula that shows the numbers and kinds of atoms as well as which atoms are attached to which a molecule is called...
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a structural formula
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A charged atom or a charged group of atoms is called an...
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Ion
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Positively charged ions are called...
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Cations (usually metals)
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Negatively charged ions are called...
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Anions (usually nonmetals)
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A group of atoms joined together as in a molecule but possessing a net positive or negative charge is called a....
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Polyatomic ion
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Ionic compounds form when...
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cations and anions combine.
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If it starts with this nonmetal it's ionic.
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Ammonium
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Ionic compounds are electrically neutral.
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Just so you know.
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I onic compounds have only an _______ formula
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emperical
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