Ionic Compound Formulas

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

• KS

• K₈S

• K₆S₃

• K₂S

Tags

NGSS.MS-PS1-1

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO

• Al₂O₃

• Al₃O₆

• Al₃O₂

Tags

NGSS.MS-PS1-1

Cu ⁺²  and  OH ^-

• CuOH₂

• Cu₂OH

• Cu(OH)₂

• correct answer is not given

Tags

NGSS.MS-PS1-1

NH₄ ⁺¹  and  C₂O₄ ^-2

• NH₄C₂O₄

• (NH₄)₂C₂O₄

• NH₄(C₂O₄)₂

• correct answer is not given

Tags

NGSS.MS-PS1-1

When adding a subscript to a polyatomic ion, you should...

• multiply any subscripts on the polyatomic ion by the subscript you are adding

• put parentheses around the polyatomic ion before adding a subscript

• write the new subscript next to any subscripts on the polyatomic ion

• put the polyatomic ion in square brackets before adding the subscript

What formula results when Ca⁺²  and  Br^- ions bond?

• Ca₂Br₂

• CaBr

• Ca(br)₂

• CaBr₂

Tags

NGSS.MS-PS1-1

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

• KO.

• K₂O.

• K₂O₂.

• KO₂.

Tags

NGSS.MS-PS1-1

How do potassium and nitrogen bond together?

• KN

• KN₃

• K₃N₃

• K₃N

Tags

NGSS.MS-PS1-1

Write the formula for barium + nitrogen

• Ba₂N₃

• Ba₃N₂

• BaN

• BaN₃

Tags

NGSS.MS-PS1-1

Mg and O will bond to make...

• Mg₂O₃

• MgO₂

• MgO

• Mg₂O

Tags

NGSS.MS-PS1-1