Lewis Dot & Valence Electrons Practice

• 2
• 8
• 3
• 13

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 2
• 3
• 5

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 12
• 7
• 8
• 14

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Valence electrons are the...

• Innermost electrons
• Middle electrons
• Outermost electrons
• Any electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

USE THE PERIODIC TABLE

How many valence electrons does carbon have?

• 4

• 12

• 6

• 14

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NGSS.HS-PS1-1

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

• 31

• 5

• 15

• 4

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NGSS.HS-PS1-1

USE THE PERIODIC TABLE

Find the element that has 3 Valence Electrons and 2 energy levels.

• Magnesium - Mg

• Lithium - Li

• Aluminum - Al

• Boron - B

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NGSS.HS-PS1-1

USE THE PERIODIC TABLE

Find the element that has 5 Valence Electrons and 4 energy levels.

• Arsenic - As

• Selenium - Se

• Calcium - Ca

• Vanadium - V

Tags

NGSS.HS-PS1-1

Elements in the same column of the periodic table always have the same # of _______ as one another.

• Protons
• Neutrons
• Electrons
• Valence Electrons

Tags

NGSS.HS-PS1-1

Is this the correct Lewis Dot Structure for Boron?

• Yes

• No, missing electrons

• No, too many electrons

• No, dots are in wrong place.

Tags

NGSS.HS-PS1-1