Ionic Formula Writing

Ionic compounds generally form when ____________ and ________________ react with each other.

• nonmetals and nonmetals
• metals and metals
• metals and nonmetals
• polyatomic elements & nonmetals

Tags

NGSS.HS-PS1-2

What is the charge on the iron in: iron (II) oxide

• 2+

• 2-

• 1+

• 1-

• None of these.

Tags

NGSS.HS-PS1-2

What is the correct formula for an ionic compound made up of Li⁺¹ and O^2-?

• LiO

• Li₂O

• LiO₂

• Li₂O₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the formula for for an ionic compound made up of Mn⁺³ and O^2-?

• MgO

• Mg₂O₃

• MnO

• Mn₂O₃

Tags

NGSS.HS-PS1-2

What is the formula of calcium phosphate made up of Ca⁺² and PO₄^3-?

• CaPO₄

• Ca₂(PO₄)₃

• Ca₃PO₄

• Ca₃(PO₄)₂

What is the chemical formula of Iron(III) bromide made up of Fe⁺³ and Br^-?

• FeBr

• Fe(III)Br

• FeBr₃

• Fe₂Br₃

Tags

NGSS.HS-PS1-2

The chemical compound for sodium (Na⁺) phosphate (PO₄^3-) would be:

• NaPO₄

• Na₂PO₄

• Na₃PO₄

• Na(PO₄)₃

How do the following two elements bond together?
Na¹⁺  F^1-         

• NaF
• NaF₃
• Na₃F
• Na₁F₂

Tags

NGSS.HS-PS1-2

How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Tags

NGSS.MS-PS1-1

How do the following two elements bond together?
K¹⁺  S^2- 

• KS
• K₈S
• K₆S₃
• K₂S

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2