Valence Electrons and Lewis Structures

Valence Electrons and Lewis Structures

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains the Lewis structure of BrF5, detailing the total valence electrons, the placement of Bromine and Fluorine atoms, and the drawing of single bonds. It covers completing the octets for Fluorine and placing extra electrons on Bromine, which can hold more than 8 valence electrons. The tutorial concludes by verifying that the formal charges for each atom in BrF5 are zero.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many valence electrons are present in the BrF5 molecule?

32

42

52

62

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which atom is placed at the center of the BrF5 Lewis structure?

Hydrogen

Oxygen

Bromine

Fluorine

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many single bonds are formed between Bromine and Fluorine in BrF5?

6

3

4

5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of valence electrons used after completing the octets for Fluorine in BrF5?

30

40

50

60

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formal charge on each atom in the BrF5 molecule?

+2

-1

+1

0