Unit 4: Unit Review

Covalent bonds actually "share" electrons?

• true

• false

Tags

NGSS.HS-PS1-1

Is hydrogen considered a metal or a non-metal?

• A metal
• Nonmetal
• Metalloid

Tags

NGSS.HS-PS1-1

What type of bond forms when atoms share electrons?

• Ionic Bond
• Covalent Bond
• Metallic Bond
• Gold Bond Medicated Powder

Tags

NGSS.HS-PS1-2

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Tags

NGSS.MS-PS1-1

Is this ionic bond drawn correctly?

• Yes
• No

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Tags

NGSS.HS-PS1-2

How many electrons are shared in a single bond?

• Zero

• One

• Two

• Four

What is the oxidation number of potassium?

• +1
• +2
• -1
• -2

Tags

NGSS.HS-PS1-1

What happens when an atom loses an electron?

• It becomes Negatively Charged
• It remains neutral because the proton also leaves.
• It becomes Positively Charged
• It stays the same.

Tags

NGSS.HS-PS1-2

What is the oxidation number of oxygen in most compounds?

• 6

• -2

• 8

• -1