Ch 7 Ionic Bonds

Which is the correct formula for the compound between Mg and P?

• MgP

• Mg2P3

• Mg3P2

• P3Mg2

Metallic atoms tend to form ______

• cations

• anions

• covalent bonds

• weak bonds

If an element has a total of 8 electrons what type of ion will it form?

• +8

• -2

• +3

• -1

In Ca3N2 how many electrons are transferred to the negative ion?

• 2

• 3

• 4

• 6

Write a correct formula for a compound formed between Al and NO3.

• Al3NO3

• Al(NO3)3

• AlNO3

• Al3(NO3)3

When an additional element is introduced into the metallic crystal lattice it results in ________

• a polyatomic ion

• an ionic compound

• an alloy

• a covalent compound

When an atom gains electrons it becomes _____ charged.

• positively

• negatively

• neutrally

• fully

Chemical bonds result because the ____ interact

• nuclei

• electrons

• whole atoms

• compounds

____ consist of atoms of just 2 elements.

• Polyatomic compounds

• Binary ionic compounds

• Monoatomic ions

• Polyatomic ions

____ is a force that holds two atoms together.

• formula work

• lattice

• cation

• chemical bond