Lewis Diagrams and Shapes of Molecules

According to the octet rule most elements need _______ valence electrons.

• 2

• 8

• 6

• 18

Hydrogen needs _____ electrons in its valence shell to be stable.

• 4

• 6

• 8

• 2

Tags

NGSS.HS-PS1-1

Metals and nonmetals form which kind of bond?

• Polar covalent

• Ionic

• Non-polar covalent

• Metallic

Tags

NGSS.HS-PS1-1

This could be the dot diagram of

• Ne
• H
• C
• F

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This is a correct dot diagram for oxygen (O)

• true
• false

Tags

NGSS.MS-PS1-1

Ion with a positive charge

• cation

• anion

• molecule

• ionic bond

Ion with a negative charge

• Anion

• Cation

• Ionic Bond

• Molecule

This is the correct dot diagram for sodium (Na)

• true
• false

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for fluorine (F)

• true
• false

Tags

NGSS.HS-PS1-1

This is the correct dot diagram for nitrogen (N)

• true
• false

Tags

NGSS.HS-PS1-1