Year 10A Chemistry Unit 1 Revision

What is the formula for magnesium chloride?

• MgCl

• Mg₂Cl

• MgCl₂

• Mg(ClO₃)₂

Because the overall charge in a compound must be zero, the charge of iron in Fe₂O₃ must be:

• 3⁺

• 2⁺

• 1⁺

• 3^-

Which of these compounds has covalent bonding?

• NaCl

• Pb(NO₃)₂

• CO₂

• AlCl₃

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Predict the type of bond that will form between Be and F.

• Ionic

• Covalent

• Metallic

• James

What type of bond is this?

• ionic
• covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Where are metals located on the periodic table?

• Blue
• Green
• Red

Tags

NGSS.HS-PS1-1

Where are the nonmetals located on the periodic table? 

• Blue
• Red
• Green

Tags

NGSS.HS-PS1-1

What sort of bonding would LiF have?

• Ionic Bond

• Covalent Bond

• Both bonds

• Neither bond

Group 15 elements have what charge in ionic form?

• -1

• -3

• +3

• +4 or -4