Ions, Ionic and Covalent Bonds, and Counting Atoms Quiz

The metals tend to _______________ electrons and become positive ions.

• lose

• gain

Ionic bonds are between>>>

• metal and nonmetal

• nonmetal and nonmetal

• metal and metal

How are ionic bonds formed?

• transfer of electrons

• sharing of electrons

• vanishing of electrons

• absorbing of protons

Magnesium (Mg) is in group 2 on the periodic table, it becomes an ion after...

• it loses 2 electrons

• it gains 2 electrons

• it loses 2 protons

• it gains 2 protons

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Oxygen is in group 16 on the periodic table. How does oxygen (O) become an oxide ion?

• it loses 2 electrons

• it gains 2 electrons

• it loses 2 protons

• it gains 2 protons

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How many aluminum atoms are in Al₂O₃?

• 1

• 2

• 3

• 5

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Predict the bond that will form between Be and F.

• ionic

• covalent

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If an atom loses three electrons what charge will it have?

• 1+

• 1-

• 3+

• 3-

Covalent bonds are formed when ______________.

• electons are transferred

• electrons are shared

• electrons vanish

• protons absorb electrons

How many total atoms are in the following compound: Cu₃(AsO₄)₂?

• 13

• 12

• 16

• 9

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