Chem Flashcards

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1
Q

Shows the kind and numbers of atoms in the smallest representative unit of a substance

A

Chemical formula

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2
Q

The lowest whole number ratios of ions in an ionic bond

A

Formula units

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3
Q

What are ionic compounds formed from

A

Cations and anions

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4
Q

Electrons in the outer most energy level

A

Valence elections

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5
Q

Lose electrons

A

Metals

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6
Q

Gain electrons

A

Nonmetals

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7
Q

Elements with a full outer energy level are unreactive in chemical reactions

A

Octet rule

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