Lewis structures (reg)

Lewis structures (reg)

Assessment

Flashcard

Chemistry

10th Grade

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a Lewis structure?

Back

A Lewis structure is a diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

2.

FLASHCARD QUESTION

Front

How many valence electrons does nitrogen (N) have?

Back

Nitrogen has 5 valence electrons.

3.

FLASHCARD QUESTION

Front

What is the total number of valence electrons in the nitrate ion (NO3-)?

Back

The nitrate ion has 24 valence electrons (5 from nitrogen and 18 from three oxygen atoms, plus 1 extra electron due to the negative charge).

4.

FLASHCARD QUESTION

Front

What is the Lewis structure for ammonia (NH3)?

Back

The Lewis structure for ammonia shows nitrogen in the center with three hydrogen atoms bonded to it and one lone pair of electrons on nitrogen.

5.

FLASHCARD QUESTION

Front

What is the molecular geometry of carbon dioxide (CO2)?

Back

The molecular geometry of carbon dioxide is linear.

6.

FLASHCARD QUESTION

Front

How many double bonds are present in carbon tetrachloride (CCl4)?

Back

There are 0 double bonds in carbon tetrachloride (CCl4).

7.

FLASHCARD QUESTION

Front

What is the Lewis dot structure for fluorine (F2)?

Back

The Lewis dot structure for fluorine (F2) shows two fluorine atoms bonded together with three lone pairs of electrons on each atom.

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