Valence Electrons & Octet Rule

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What's an octet?

• a set of 8
• a set of 7
• 4 electrons
• group 8A

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How do you find the number of valence electrons in an atom?

• use the atomic number
• mass - atomic number
• Use the Group Number
• Use the period number

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons do the alkali metals have?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

How many valence electrons do the Halogens have?

• 1
• 2
• 7
• 8

Tags

NGSS.HS-PS1-1

How many valence electrons does Calcium have?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

How many valence electrons does Oxygen have?

• 1
• 2
• 6
• 8

Tags

NGSS.HS-PS1-1

How many valence electrons does Neon have?

• 1
• 2
• 7
• 8

Tags

NGSS.HS-PS1-1

How many electrons does Nitrogen need to gain in order  to have an octet?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

How many valence electrons does Aluminum have to lose in order to have an octet?

• 1
• 2
• 3
• 5

Tags

NGSS.HS-PS1-1