What charge does a potassium (K) ion have?

• +1
• -1
• +2 
• -2

Name that Ion
Li+

• copper (III)
• lithium
• ladmium
• iodine

Outer shell electrons are called

• outer electrons
• valence electrons
• negatives

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The electrons involved in chemical bonds are called ___________ electrons.

• valence
• ionic
• Van Der Waals
• covalent

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a valence electron?

• Electrons in the first energy shell

• Electrons in the second energy shell

• Electrons in the outer shell

• Total number of electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The innermost energy level has a maximum of how many electrons?

• 1

• 2

• 6

• 8

How many valence electrons?

• 2

• 3

• 4

• 5

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

What is a valence electron?

• Electrons in the first energy shell

• Electrons in the second energy shell

• Electrons in the outer shell

• Total number of electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2