QUIZ REVIEW Valence Electrons & Electron Dot Diagrams

According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.

• 2

• 4

• 6

• 8

• 10

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

All of the elements in column 18 or group 8A have 8 electrons EXCEPT ______, which is actually stable with only 2 electrons.

• Hydrogen

• Helium

• Neon

• Fluorine

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NGSS.MS-PS1-1

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 2
• 8
• 3
• 13

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 2
• 3
• 5

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NGSS.MS-PS1-1

• 12
• 7
• 8
• 14

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NGSS.MS-PS1-1

USE THE PERIODIC TABLE

How many valence electrons does Bromine (Br) have?

^{(Click on image to enlarge it or use your own periodic table.)}

• 7

• 35

• 80

• 1

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NGSS.MS-PS1-1

USE THE PERIODIC TABLE

How many dots would an electron dot diagram for Calcium have?

^{(Click on image to enlarge it or use your own periodic table.)}

• 20

• 2

• 40

• 4

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NGSS.MS-PS1-1

How many valence electrons are found in atoms of group 14 or 4A?

• 4

• 3

• 14

• 16

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NGSS.MS-PS1-1

How many valence electrons does Hydrogen Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

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NGSS.MS-PS1-1