Unit 4.3 Review

A bond between two nonmetal atoms is a __________ bond.

• ionic

• nuclear

• metallic

• covalent

Tags

NGSS.HS-PS1-1

Which of the following is NOT a covalent bond?

• K₂S

• H₂O

• I₂

• CO₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following describes covalent bonds?

• Bonds form because of opposite charges

• electrons are shared to fill outer electron shells

• Electrons are transferred between atoms

• Covalent bonds are magical

Ionic bonds form between ---

• nonmetals.

• metals and nonmetals.

What is the name for an ion with a negative charge?

• cation
• anion
• onion
• union

The octet rules states that most elements want to have _____ valence electrons.

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is NOT an ionic bond?

• NH₃

• KCl

• K₃N

• NaCl

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A bond between a metal atom and a nonmetal atom is a __________ bond.

• ionic

• atomic

• metallic

• covalent

Tags

NGSS.HS-PS1-3

Where are metals located on the periodic table?

• Blue
• Green
• Red

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An ionic bond forms when atoms ___________ electrons.

• gain
• share
• increase
• transfer