Forming Ionic Compounds

Beryllium will ____ valence electrons when forming an ionic bond.

• lose 4

• gain 4

• lose 2

• gain 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is the correct name for CaBr₂?

• Calcium Bromine

• Bromine Calcium

• Calcium Bromide

• Carbon and Bromine

Which is the correct formula for aluminum sulfide?

• AlS

• Al₃S₂

• S₃Al₂

• Al₂S₃

Tags

NGSS.MS-PS1-1

What is the formula for aluminum fluoride?

• AlF

• Al₂F₃

• AlF₃

• Al₃F₂

Tags

NGSS.MS-PS1-1

What is the correct formula for the compound, lithium oxide?

• LiO

• Li₂O

• LiO₂

• Li₂O₂

Tags

NGSS.MS-PS1-1

What is the charge of ion "X" in the formula XF₃?

• +3

• -3

• +1

• -1

What is the charge of ion "X" in CaX?

• +1

• -1

• +2

• -2

Which of the following pairs of elements will NOT form an ionic compound?

• sodium and fluorine

• phosphorous and aluminum

• potassium and magnesium

• strontium and oxygen

An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?

• Gain 5

• Lose 3

• Nothing

NaBr

• Ionic

• Covalent