Finding Formulas of Binary Ionic Compound

What is the correct ionic formula for sodium chloride?
Sodium = Na
Chlorine = Cl

• Na₁Cl₁
• Na₁Cl₂
• Na₂Cl
• NaCl

Tags

NGSS.HS-PS1-2

What is the correct formula for lithium sulfide?
Lithium = Li
Sulfur = S

• LiS
• Li₂S
• LiS₂
• Li₂S₁

What is the correct formula for calcium oxide?
calcium = Ca
oxygen = O

• Ca₂O
• CaO
• Ca₂O₂
• Ca₁O₁

Tags

NGSS.MS-PS1-1

What is the correct formula for potassium nitride?
potassium = K
nitrogen = N

• KN
• K₂N
• K₃N
• KN₃

What is the correct formula for magnesium bromide?
Magnesium = Mg
Bromine = Br

• MgBr
• MgBr₂
• Mg₂Br
• Mg₂Br₄

Tags

NGSS.HS-PS1-7

What is the correct formula for aluminum sulfide?
Aluminum = Al
Sulfur = S

• AlS
• AlS₃
• Al₂S
• Al₂S₃

What is the correct formula for barium sulfide?
Barium = Ba
Sulfur = S

• BaS
• BaS₂
• Ba₂S
• Ba₂S₃

What is the correct formula for potassium oxide?
Potassium = K
Oxygen = O

• KO
• KO₂
• K₂O
• K₃O₂

What is the correct formula for calcium iodide?

• CaI
• CaI₂
• Ca₂I
• Ca₂I₃

Tags

NGSS.HS-PS1-1

What is the correct formula for potassium bromide?
Potassium = K
Bromine = Br

• KBr
• KBr₂
• K₂Br
• K₂Br₃

Tags

NGSS.MS-PS1-1