Making Ionic Formulas

Which of the following is an ionic compound:

• CH₄

• I₂

• LiBr₂

• CO

What is the charge on an Aluminium ion?

• 3
• +3
• +2
• +1

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom

Mg²⁺ and Cl^- create...

• Mg₂Cl
• MgCl₂
• Mg₂Cl₂
• MgCl

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ca²⁺ and N^3- create...

• Ca₂N₃
• Ca₃N₂
• CaN₃
• Ca₂N
  

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Na⁺ and Cl^- create...

• Na₂Cl

• NaCl₂

• Na₂Cl₂

• NaCl

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Potassium and Sulfur create...

• KS

• KS₂

• K₂S

• K₂S₂

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Na ⁺  and  S ^-2

• Na₂S
• NaS₂
• Na₂S₂
• NaS

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

K ⁺  and  N^-3

• KN
• KN₃
• K₃N₃
• K₃N

Tags

NGSS.HS-PS1-2

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

• KO.
• K₂O.
• K₂O₂.
• KO₂.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2