HW 4.4 writing ionic formulas

Na ⁺  and  S ^-2

• Na₂S

• NaS₂

• Na₂S₂

• NaS

Tags

NGSS.MS-PS1-1

K ⁺  and  N^-3

• KN

• KN₃

• K₃N₃

• K₃N

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

• AlO

• Al₂O₃

• Al₃O₆

• Al₃O₂

Tags

NGSS.HS-PS1-2

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

• Ca₂Br₂

• CaBr

• Ca(br)₂

• CaBr₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What would be the proper chemical formula for combining Al³⁺ and l^- :

• Al l₃

• Al₃l

• Al l

• Al₃ l₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Mg²⁺ and Cl^- create...

• Mg₂Cl

• MgCl₂

• Mg₂Cl₂

• MgCl

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Ca²⁺ and N^3- create...

• Ca₂N₃

• Ca₃N₂

• CaN₃

• Ca₂N
  

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Na⁺ and Cl^- create...

• Na₂Cl

• NaCl₂

• Na₂Cl₂

• NaCl

Tags

NGSS.MS-PS1-1

Potassium and Sulfur create...

• KS

• KS₂

• K₂S

• K₂S₂

Tags

NGSS.MS-PS1-1