writing and naming binary ionic compounds

Na ⁺  and  S ^-2

• Na₂S
• NaS₂
• Na₂S₂
• NaS

Tags

NGSS.HS-PS1-2

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

• KO.
• K₂O.
• K₂O₂.
• KO₂.

 Li₂O

• Dilithium oxideDilithium oxide
  
• Lithium oxide
• Lithium dioxide

What is the formula for magnesium phosphide?

• Mg₃P₂
• Mg₂P₃
• Mg₂PO₃
• Mg₃(PO₃)₂

What is the formula for aluminum fluoride?

• AlF
• Al₂F₃
• AlF₃
• Al₃F₂

Tags

NGSS.MS-PS1-1

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

• LiO
• Li₂O
• LiO₂
• Li₂O₂

What is the charge on the simple (single atom) ion that sulfur forms?

• 1-
• 2+
• 3+
• 2-

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

What is the formula for the compound formed by magnesium ions and nitrogen ions?

• MgN
• Mg₂N₃
• Mg₃N₂
• MgN₃

Tags

NGSS.HS-PS1-2

In most cases, when naming you change the ending of the second element to ________.

• -ate.
• -ite.
• -ide.
• -ine.

What is the element/ion symbol for Iron(III)?

• Fe
• Fe³⁺
• Fe^3-
• Fe(III)