Ionic Lewis Dot Diagrams

Which of the following Lewis Dot Diagrams represents calcium chloride (CaCl₂)?

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Tags

NGSS.MS-PS1-1

Which of the following Lewis Dot Diagrams represents sodium oxide (Na₂O)?

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Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Lewis dot diagrams for sodium (Na) and chlorine (Cl) are shown in the attached diagram. Which of the following best describes what will happen with these two elements forming a bond?

• Sodium and chlorine will share their valence electrons

• Sodium gains seven electrons and chlorine will gain one electron

• Sodium will lose one electron and chlorine will gain one electron

• Sodium will gain seven electrons and chlorine will lose one electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Choose the correct Lewis Dot diagram for NaCl.

• Diagram F

• Diagram G

• Diagram H

• Diagram J

Lewis dot diagrams are shown for lithium (Li) and chlorine (Cl) in the attached photo. If these atoms form a bond, what will happen to their electrons?

• Lithium will gain one electron and chlorine will lose one electron.

• Lithium will lose one electron and chlorine will gain one electron.

• Lithium will gain seven electrons and chlorine will lose one electron.

• Instead of transferring their electrons, lithium and chlorine will share their electrons so that both atoms may obtain a full valence shell.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following Lewis Dot Diagrams represents magnesium oxide (MgO)?

• A) [Mg]^{2+} :O:^{2-}

• B) [Mg]^{+} :O:^{-}

• C) [Mg]^{2+} :O:^{-}

• D) [Mg]^{+} :O:^{2-}

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the correct Lewis Dot Diagram for aluminum chloride (AlCl_3)?

• A) [Al]^{3+} :Cl:^{-} :Cl:^{-} :Cl:^{-}

• B) [Al]^{3+} :Cl:^{-} :Cl:^{-}

• C) [Al]^{3+} :Cl:^{-} :Cl:^{-} :Cl:

• D) [Al]^{3+} :Cl:^{-}

Which Lewis Dot Diagram correctly represents potassium sulfide (K_2S)?

• A) 2[K]^{+} :S:^{2-}

• B) [K]^{+} :S:^{-}

• C) [K]^{2+} :S:^{2-}

• D) 2[K]^{+} :S:

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Identify the correct Lewis Dot Diagram for barium fluoride (BaF_2).

• A) [Ba]^{2+} 2[F]^{-}

• B) [Ba]^{+} 2[F]^{-}

• C) [Ba]^{2+} [F]^{-}

• D) [Ba]^{+} [F]^{-}

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following represents the Lewis Dot Diagram for lithium oxide (Li_2O)?

• A) 2[Li]^{+} :O:^{2-}

• B) [Li]^{+} :O:^{-}

• C) [Li]^{2+} :O:^{2-}

• D) 2[Li]^{+} :O:

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2