ionic bonding

Which of the following could NOT form an ionic compound? Check all that apply.

• Li⁺ and Cl^-

• F^- and O^2-

• Ba²⁺ and Ag⁺

• Mg²⁺ and S^2-

In an ionic bond, the ions are held together because...

• the positive nucleus of each ion attracts the other ion's negatively charged electrons

• the ions have opposite charges

• as the electron moved from one atom to another it pulled the atom along with it

• electrons are being shared

The following ionic crystal has 4 Sr ions (red) and 8 Br ions (blue). What is the formula for this ionic crystal?

• SrBr

• SrBr₂

• Sr₂Br

• Sr₄Br₈

A anion will be a ____ ion.

• negative
• positive
• neutral
• ficticious

Nitrogen, N, will form which of the following ions?

• N

• N^-3

• N^-5

• N⁺⁵

Beryllium, Be, will ____ valence electrons when forming an ionic bond.

• lose 4

• gain 4

• lose 2

• gain 2

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

Ionic bonds happen because of the ____ of valence electrons.

• sharing

• transfer

• keeping

• covering

How many electrons are needed in the outer energy levels of an atom to be stable?

• 2
• 4
• 6
• 8

Which of the following would produce an anion?

• Ca
• Al
• K
• F