Semester 2 Final Review Part 1a

Name the ionic compound, CaCO₃

• calcium carbide

• calcium carbon trioxide

• calcium carbon oxide

• calcium carbonate

What is the correct formula of phosphorus trichloride?

• P₂Cl₃

• P₃Cl₃

• PCl₃

• PCl₅

Tags

NGSS.MS-PS1-1

What is the correct molecular formula for sodium nitrate?

• NaNO₂

• Na₃N

• Na₃NO

• NaNO₃

Tags

NGSS.MS-PS1-1

What is the correct molecular formula for barium hydroxide?

• Ba(OH)₂

• Ba₂OH

• BaOH

• Ba₂OH

Tags

NGSS.MS-PS1-1

What is the formula for iron(II) carbonate?

• Fe₂CO₃
• FeCO₃
• Fe₂CO₂
• FeCO₄

Tags

NGSS.MS-PS1-1

What is the formula for copper(I) sulfate?

• CuSO₃
• CuSO₄
• Cu₂SO₃
• Cu₂SO₄

Balance this equation
_Al +_HCl --> _H₂ +_AlCl₃

• 2, 6, 3, 2
• it is already balanced
• 4, 12, 3, 4
• 2, 1, 4, 5

Tags

NGSS.MS-PS1-5

Si + S₈ --> Si₂S₄

• Synthesis (combination)
• Decomposition
• Single replacement
• Double replacement

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

NGSS.MS-PS1-2

 Fill in the blank to balance the chemical equation. 
2KI  +  ____Cl₂ →  2KCl  +  I₂

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-5

What coefficient should go in the blank space to balance the chemical equation? 
2Al  +____  HCl   →    2AlCl₃  +  3H2

• 2
• 4
• 3
• 6

Tags

NGSS.MS-PS1-5