Ionic Bonds

What happens when two negatively charged ions are pushed together?

• they will repel (move apart)

• they will be attracted to each other (move together)

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NGSS.HS-PS1-3

NGSS.HS-PS2-4

What happens when two oppositely charged ions are pushed together?

• they will repel (move apart)

• they will be attracted to each other (move together)

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NGSS.HS-PS1-2

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The positive ions tend to _____________ electrons.

• lose

• gain

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The negative ions tend to _____________ electrons.

• lose

• gain

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Will a chlorine atom gain or lose electrons?

• gain

• lose

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Will a sodium atom gain or lose electrons?

• gain

• lose

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why are sodium and chlorine attracted to each other?

• they have opposite charges

• they both have negative charges

• they both have positive charges

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NGSS.HS-PS1-2

How does oxygen become an oxide ion?

• it loses 2 electrons

• it gains 2 electrons

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NGSS.MS-PS1-1

How does magnesium become an magnesium ion?

• it loses 2 electrons

• it gains 2 electrons

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NGSS.HS-PS1-2

How does calcium become an calcium ion?

• it loses 2 electrons

• it gains 2 electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2