Octet Rule and Valence Electrons!

What does the group number tell us about an element?

• The number of electron shells

• The number of valence electrons

• The number of protons

• The number of total electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What does the period number tell us about an element?

• The number of electron shells

• The number of valence electrons

• The number of protons

• The number of total electrons

Tags

NGSS.HS-PS1-1

True or False: Nitrogen is found in Group 5, therefore will have 5 electron shells.

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

True or False: Sodium (Na) is in Group 1, therefore has 1 Valence Electron

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the Element SYMBOL for the element found in Group 3 and Period 3?

(a)  

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NGSS.HS-PS1-1

What is the Element Symbol for the element found in Group 1 and Period 5

(a)  

The octet rule means that every element (except Hydrogen and Helium) want a specific amount of valence electrons. How many Valence electrons does every element WANT?

• 4

• 2

• 8

• 12

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NGSS.HS-PS1-1

Carbon is in group 4 and period 2, how many electron shells does Carbon have

• 2

• 4

• 6

• 8

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NGSS.HS-PS1-1

Phosphorus (P) is in Group 5. How many MORE electrons does it need in order to follow the Octet Rule?

• 2 more valence electrons

• 5 more valence electrons

• 8 more valence electrons

• 3 more valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Beryllium (Be) is found in Group 2. What can Beryllium do in order to follow the Octet Rule? (Check ALL that work...)

• Gain 6 more valence electrons

• Gain 8 more valence electrons

• Lose 2 valence electrons

• Lose 8 valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2