Extra credit Review: Unit 3

What is the oxidation state of Pb in PbO ?

• +2

• +4

• 0

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the net charge for sodium oxide?

• +1

• 0

• -1

• -2

What is the formula for magnesium chloride?

• MgCl
• Mg₂Cl
• MgCl₂
• Mg(ClO₃)₂

Tags

NGSS.MS-PS1-1

What is the formula for sodium nitrate?

• Na₃NO

• NaNO₂

• Na₃NO₃

• NaNO₃

What is the formula for Hydrosulfuric Acid?

• H₂(SO₃)
• H₂S
• H₂(SO₂)
• H₂(SO₄)

What is the formula for Nitric Acid?

• HNO₂
• HNO₃
• HNO₄
• H₂NO₃

What is the correct formula of phosphorus trichloride?

• P₂Cl₃

• P₃Cl₃

• PCl₃

• PCl₅

Tags

NGSS.MS-PS1-1

Molten compound conducts electricity.

• ionic compound
• covalent compound

Tags

NGSS.HS-PS1-3

forms ions in solution

• ionic compounds
• covalent compounds

Tags

NGSS.HS-PS1-1

Which type of bond is formed from the sharing of electrons?

• ionic bond

• covalent bond

Tags

NGSS.HS-PS1-2