Lewis structures

Lewis structures

Assessment

Flashcard

Science, Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What type of electrons are used when drawing Lewis structures?

Back

Valence electrons.

2.

FLASHCARD QUESTION

Front

What is the correct dot diagram for oxygen (O)?

Back

The correct dot diagram for oxygen has 6 valence electrons represented as dots around the symbol O.

3.

FLASHCARD QUESTION

Front

How many valence electrons does phosphorus have?

Back

Phosphorus has 5 valence electrons.

4.

FLASHCARD QUESTION

Front

How many total valence electrons are participating in bonding in a molecule with 8 valence electrons?

Back

8 valence electrons are participating in bonding.

5.

FLASHCARD QUESTION

Front

What is the correct Lewis structure for ammonia (NH3)?

Back

The correct Lewis structure for NH3 shows nitrogen (N) in the center with three hydrogen (H) atoms bonded to it and one lone pair of electrons on nitrogen.

6.

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.

7.

FLASHCARD QUESTION

Front

What is the significance of valence electrons in Lewis structures?

Back

Valence electrons determine how atoms bond and the structure of the molecule.

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