Ionic Bonds

Why do ionic bonds form?

• so the number of protons equals the number of electrons
• to fill the outermost energy level
• so an atom can become unstable

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NGSS.HS-PS1-1

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An electron has what kind of charge?

• no charge
• positive 
• negative
• it depends

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a proton has what charge?

• positive
• negative
• no charge
• it depends

An atom that has gained or lost electrons is called ...

• a winner
• an isotope
• an ion
• a loser

Atoms that lose electrons become...

• negatively charged
• postively charged
• remain neutral, no charge
• losers

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NGSS.HS-PS1-1

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Atoms that gain electrons become...

• negatively charged
• positively charged
• remain neutrally charged
• 21

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What is released when an ionic bond forms?

• butterflies
• cats
• dogs
• energy

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NGSS.HS-PS1-4

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

• Al³⁺
• Al¹³⁺
• Al¹⁰⁺
• Al^10-

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NGSS.MS-PS1-1

If an oxygen atom has 8 protons (+) and 10 electrons (-), what is it's charge?

• O^10-
• O⁸⁺
• O^2-
• O¹⁰⁺

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NGSS.MS-PS1-1

What are ionic bonds?

• valence electrons transferred between atoms
• Inner most electrons transferred between atoms

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NGSS.HS-PS1-1

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