Simple Binary Ionic

Na ⁺ and S ^-2 combine to form

• Na₂S

• NaS₂

• Na₂S₂

• NaS

Tags

NGSS.HS-PS1-2

K ⁺ and N^-3 combine to form

• KN

• KN₃

• K₃N₃

• K₃N

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• KO.
• K₂O.
• K₂O₂.
• KO₂.

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

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

Tags

NGSS.HS-PS1-1

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

Which is the correct formula for aluminum chloride?

• AlCl

• AlCl₃

• Al₃Cl

• Al₃Cl₃

Tags

NGSS.MS-PS1-1

Identify the correct formula for sodium phosphide.

• Na₃P₁

• Na₁P₃

• NaP

• Na₃P

The correct formula for barium sulphide is

• BS

• BaS

• B₂S₃

• Ba₂S₂

_____ is the correct formula for strontium iodide

• Si₃

• SI₃

• SrI₂

• SrI

Tags

NGSS.MS-PS1-1

All of the following formulae for beryllium nitride are incorrect except

• BeN

• Be₃N₂

• Ba₃N₂

• Be₂N₃