Valence Electrons

What is a valence electron?

• All the electrons in an atom
• Only the first shell of electrons
• Only the outermost shell of electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons will a neutral atom have?

• The same number as the atomic number
• The same number as the atomic mass
• The same number as the number of neutrons

How many valence electrons does Hydrogen have?

• 1
• 2
• 3
• 4

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NGSS.HS-PS1-1

How many valence electrons does Lithium have?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

How many valence electrons does sodium have?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

How many valence electrons does magnesium have?

• 1
• 2
• 12
• 24

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NGSS.HS-PS1-1

How many valence electrons does Carbon have?

• 4
• 12
• 6
• 14

Tags

NGSS.HS-PS1-1

How many valence electrons does Phosphorus have?

• 31
• 5
• 15
• 4

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NGSS.HS-PS1-1

How many valence electrons does Oxygen have?

• 8
• 2
• 16
• 6

Tags

NGSS.HS-PS1-1

How many valence electrons does Neon have?

• 18
• 8
• 10
• 2

Tags

NGSS.HS-PS1-1