Lewis Dot Structures Covalent and Ionic

Is NaCl an ionic or covalent compound?

• Ionic because Na is a metal and Cl is a non-metal.

• Ionic because Na is a non-metal and Cl is a metal.

• Covalent because Na and Cl are both non-metals.

• Covalent because Na and Cl are both metals.

What is the correct Lewis Dot Structure for Carbon?

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Tags

NGSS.MS-PS1-1

What is the correct Lewis Dot Structure for Iodine?

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What is the correct Lewis Dot Structure for Sulfur?

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Tags

NGSS.HS-PS1-1

Which of these could be the lewis dot diagram for an oxygen anion?

• A

• B

• C

• D

Answer explanation

Oxygen has 6 valence electrons, but it wants 8. Therefore, it will steal 2 electrons so that it has a total of 8 electrons. Choice A has 8 electrons.

How many valence electrons does carbon have, which it can use to form bonds?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

What is the correct Lewis Dot Structure for Nitrogen?

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Tags

NGSS.HS-PS1-1

What is the correct Lewis Dot Structure for Hydrogen?

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What is the correct Lewis Dot Structure for Argon?

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Tags

NGSS.HS-PS1-1

What is the correct Lewis Dot Structure for Gallium?

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Tags

NGSS.MS-PS1-1