Ionic Compounds - Names and Formulas

Ionic compounds are formed from ___

• metals and metals

• metals and nonmetals

• nonmetals and nonmetals

• none of the above

 Li₂O

• dilithium oxide

• lithium oxide

• lithium dioxide

• lithium(II) oxide

CsCl

• monocesium monochloride

• cesium monochloride

• cesium chloride

• cesium(I) chloride

MgS 

• magnesium sulfide

• monomagnesium monosulfide

• magnesium monosulfide

• magnesium(I) sulfide

Na₂S

• disodium sulfide

• sodium sulfide

• sodium monosulfide

• sodium(II) sulfide

What is the name of Al₂S₃?

• dialuminum trisulfide

• aluminum sulfide

• aluminum(II) sulfide

• aluminum(III) sulfide

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

What is a cation?

• a positive ion

• a neutral atom

• two additional protons

• a negative ion