Covalent Bonding and Electron Dot Structures

Covalent Bonding and Electron Dot Structures

Assessment

Flashcard

Chemistry

10th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed when two atoms share one or more pairs of electrons.

2.

FLASHCARD QUESTION

Front

What is a Lewis dot structure?

Back

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

3.

FLASHCARD QUESTION

Front

What is the bond angle in a trigonal planar molecule?

Back

The bond angle in a trigonal planar molecule is 120 degrees.

4.

FLASHCARD QUESTION

Front

What is the bond angle in a linear molecule?

Back

The bond angle in a linear molecule is 180 degrees.

5.

FLASHCARD QUESTION

Front

How many valence electrons does a nitrogen atom have?

Back

A nitrogen atom has 5 valence electrons.

6.

FLASHCARD QUESTION

Front

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

Back

The total number of valence electrons in a nitrate ion (NO3-) is 24.

7.

FLASHCARD QUESTION

Front

What molecular geometry does a molecule with four bonding pairs and no lone pairs exhibit?

Back

A molecule with four bonding pairs and no lone pairs exhibits tetrahedral geometry.

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