Writing Chemical Formulae and Equations

What is the chemical formula of the compound formed between the ions Ba²⁺ and Br^-?

• BrBa
• Br₂Ba₂
• BaBr₂
• Br₂Ba

What is the chemical formula of the compound formed between the ions Ca²⁺ and O^2-?

• CaO
• OCa
• Ca_-2O₊₂
• Ca₂O₂

What is the chemical formula of the compound formed between the ions K⁺ and O^2-?

• KO
• K₂O
• K_-2O₂
• O₂K

What is the chemical formula of the compound formed between the ions Ca²⁺ and P^3-?

• PCa
• P₂Ca₃
• CaP
• Ca₃P₂

What is the correct chemical name for MgI₂?

• Manganese IV iodide
• Manganese diiodide
• Magnesium iodide
• Magnesium diiodide

What is the correct chemical formula for phosphorous trichloride?

• P₃Cl
• PCl₃
• KCl₃
• K₃Cl

What is the chemical formula of the compound formed between the ions Zn²⁺ and S^2- ?

• ZnS

• Zn₂S₂

• zinc sulfide

What is the chemical formula of the compound formed by the ions Na⁺ and Cl^- ?

• Na₂Cl₄

• NaCl

• Sodium chloride

What is the chemical formula of the compound formed between the ions K⁺ and S^2- ?

• Potassium sulfide

• KS

• K₂S

What is the chemical formula for the compound formed between the ions Mn²⁺ and Br^- ?

• MnBr₂

• Manganese bromide

• MnBr