Writing Formulas

What is the correct ionic formula between Cu²⁺ and O^2–?

• Cu₂O₂

• Cu_2–O₂₊

• CuO

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the correct ionic formula between Ca²⁺ and N^3–?

• Ca₂N₃

• Ca₃N₂

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

• LiO

• Li₂O

• LiO₂

• Li₂O₂

Tags

NGSS.MS-PS1-1

The formula of calcium phosphate is 

• CaPO₄

• Ca₂(PO₄)₃

• Ca₃PO₄

• Ca₃(PO₄)₂

Tags

NGSS.MS-PS1-1

How are Chemical compounds expressed as?

• Chemical Chart

• Chemical name

• Chemical Table

• Chemical Formula

What is Fe₂O₃
(rust) made up of?

• flourine,
  oxygen

• fluorine, oxygen

• iron, oxygen

• iron, osmium

Tags

NGSS.MS-PS1-1

ammonium chloride

• NH₃Cl₂

• NH₄Cl

• NH₄ClO₃

• NH₄Cl₂

Tags

NGSS.MS-PS1-1

The chemical formula of Iron (III)bromide is

• FeBr

• Fe(III)Br

• FeBr₃

• Fe₂Br₃

Tags

NGSS.MS-PS1-1

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

• KS

• K₈S

• K₆S₃

• K₂S

Tags

NGSS.MS-PS1-1

What is the correct ionic formula between H⁺ and S^2–?

• H₂S

• HS₂

Tags

NGSS.MS-PS1-5