Unit One and Two Review

Which 2 belong in the same period?

• calcium

• chlorine

• oxygen

• bromine

Valence Electrons of Magnesium

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

Valence electrons of Sodium

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

Valence Electrons of Argon

• 5

• 6

• 7

• 8

Tags

NGSS.HS-PS1-1

Valence Electrons of Argon

• 5

• 6

• 7

• 8

Valence Electrons of Calcium

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Valence Electrons of Silicon

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Valence Electrons of Aluminum

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons in H

How many valence electrons in He?