Ionic and Metallic Bonding TEST

____ is the lowest whole-number ratio of ions in an ionic compound.

• Formula unit

• Valence unit

• Halide unit

• Octet unit

Anions are ____ charged ions.

• negatively

• positively

• neutrally

A chemical formula shows the kinds and numbers of atoms in the ________ representative unit.

• largest

• smallest

• equal

The octet rule states that atoms are more stable when they

• have more protons than electrons

• have more electrons than protons

• have a full outer shell

• have a partial outer shell

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What determines the reactivity of an element?

• Size of its nucleus

• Number of total electrons

• Number of valence electrons

• Number of shells

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How do you determine the number of valence electrons an element has?

• Look at its period
• Look at its group
• Look at its atomic number
• Look at its atomic mass

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Metals tend to form...

• cations

• anions

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Non-metals tend to form...

• cations

• anions

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___ electrons are electrons in the highest occupied energy level of an elements atoms.

• Neutral

• Halide

• Formula

• Valence

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A mixture of two or more elements, with at least one of them a metal, is called a(n)

• alloy.

• formula unit.

• chemical unit.

• coordination number.