Ionic Compounds Quiz

How many valence electrons does an atom of any element in Group 6A have?

• 2

• 4

• 6

• 8

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When an aluminum atom loses its valence electrons, what is the charge on the resulting ion?

• 2+

• 2-

• 3+

• 3-

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An ionic compound is

• electrically neutral.

• held together by ionic bonds.

• composed of anions and cations.

• All of these.

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Which of these is NOT a characteristic of most ionic compounds?

• solid at room temperature

• low melting point

• conducts an electric current when melted

• produced by reaction between metallic and nonmetallic elements

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Which element when combined with chlorine would most likely form an ionic compound?

• lithium

• carbon

• phosphorus

• bromine

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A cation is any atom or group of atoms with

• a positive charge.

• no charge.

• a negative charge.

• more electrons than the corresponding atom.

The force of attraction binding oppositely charged ions together is called

• formula unit.

• ionic bond.

• metallic bond.

• covalent bond.

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An electron in the highest occupied energy level of an atom is called

• an ionic compound.

• a valence electron.

• an ionic bond.

• a halide ion.

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The cation Fe³⁺ is formed when

• an atom of iron loses three protons.

• an atom of iron gains three protons.

• an atom of iron loses three electrons.

• an atom of iron gains three electrons.

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The chemical properties of an element are largely determined by the number of valence electrons the element has.

• True

• False

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