norie's domek exam review

Which ion is this atom most likely to form?

• Na+

• Na-

• Ne-

• Mg+

Based on the periodic table shown, elements from columns A and C will combine in which ratio?

• 1:A 3:C

• 1:A:1C

• 3:A:1C

• These elements will not combine.

Based on the periodic table shown, elements from columns B and F will combine in which ratio?

• 1:B:2F

• 1:B:1F

• 2:B:3F

• These elements will not combine.

Based on the periodic table shown, elements from columns B and E will combine in which ratio?

• 2:B:3E

• 3:B:1E

• 3:B:2E

• These elements will not combine.

In the equation for the formation of magnesium sulfide shown, which atom gains electrons?

• A

• B

• C

• D

Which is the correct formula for the ionic compound that results from these two atoms?

• x2y5

• x5y2

• x2y3

• x3y2

Which is true of the model of bonding shown in this figure?

• Metallic atoms are present in a “sea” of negatively charged atoms.

• Valence electrons are able to move easily among the metallic cations.

• It results in the substance being very brittle and not easily deformed.

• Heat and electricity are easily carried by the cations from one region to another.

Which is described as the force holding two atoms together?

• cation

• chemical bond

• formula unit

• lattice

Which is the charge that results when oxygen becomes an ion?

• +2

• -3

• +3

• -2

Group 13 elements tend to acquire which charge when they form ions?

• +3

• -5

• +5

• -3