Lewis Structures and Ionic Compounds

Nonmetals tend to

• gain electrons

• lose electrons

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NGSS.HS-PS1-1

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Metals tend to

• gain electrons

• lose electrons

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NGSS.HS-PS1-1

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How do the following two elements bond together?
Na¹⁺  F^1-         

• NaF
• NaF₃
• Na₃F
• Na₁F₂

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NGSS.HS-PS1-1

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How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

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NGSS.HS-PS1-1

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How do the following two elements bond together?
K¹⁺  S^2- 

• KS
• K₈S
• K₆S₃
• K₂S

Which of the following BEST describes ionic bonds?

• Bond held together by a sea of electrons
• Bond of two ions of opposite charges held together by electrostatic forces
• Bond held together by the sharing of electrons
• Bond between hydrogen and an anion or polyatomic ion.

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NGSS.HS-PS2-4

Nonmetals form ____ by ____ electrons.

• Cations, gaining
• Cations, losing
• Anions, gaining
• Anions, losing

Which is the correct formula for sodium chloride?

• SoCl
• SdCl
• NaCl
• NaCl₂

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When writing Lewis Structures, only __________ electrons are used.

• Inner shell
• Core 
• Valence
• Stable

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Write the formula for the combination of Magnesium and Nitrogen

• Mg₃N₂
• N₂Mg₃
• MG³N²
• Mg₂N₃