Chemical Bonds

The 3 types of chemical bonds are ________, ________, and ______. (Choose 3)

• ionic

• valence

• covalent

• metallic

• atomic

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-4

If an atom gains two electrons what charge will it have?

• -2
• -1
• +1
• +2

Tags

NGSS.HS-PS1-1

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.MS-PS1-1

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

Tags

NGSS.HS-PS1-2

Covalent bonds are between...

• two or more nonmetals
• sodium and chlorine
• metals and metals
• metals and nonmetals

Tags

NGSS.MS-PS1-1

Ionic bonds form between ---

• nonmetals.

• metals and nonmetals.

Tags

NGSS.HS-PS1-2

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

• cation
• anion
• onion
• union

Which compound has high melting point?

• Ionic

• Covalent

Tags

NGSS.HS-PS1-3

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

• 2

• 4

• 6

• 8