Ionic Compounds (Binary & Polyatomic) REVIEW

What is the formula for magnesium phosphide?

• Mg₃P₂

• Mg₂P₃

• Mg₂PO₃

• Mg₃(PO₃)₂

The chemical formula for an ionic compound of potassium and oxygen is

• KO.

• K₂O.

• K₂O₂.

• KO₂.

Which is most likely to form a negative ion?

• an element from group 17
• a metal
• an element from group 1
• an element with atoms that have eight valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name this compound: 
NaBr

• Bromide sodide
• Sodium bromide
• Sodium bromate
• Sodium bromite

Tags

NGSS.MS-PS1-1

How many valence electrons does a bromine atom have?

• 1

• 2

• 6

• 7

Name this compound:

NaC₂H₃O₂

• Acetate sodide

• Sodium Acetate

• Sodium carbon hydrogen oxide

• Sodium Chlorite

Al₂S₃

• dialuminum trisulfide

• aluminum sulfide

• aluminum (III) sulfide

• aluminum 2 sulfur 3

Name this compound: 
BaBr₂

• Bromide Baride
• Barium bromide
• Barium bromate
• Boron bromite

Tags

NGSS.MS-PS1-1

What is the correct chemical formula for calcium oxide?

• CaO

• Ca₂O₂

• Ca₂O

• CaO₂

What is the correct name for TiO₂?

(*Hint: Figure out the formula & oxidaton numbers first. And is a transition metal?)

• titanium oxide

• titanium (II) oxide

• titanium dioxide

• titanium (IV) oxide