Urea Structure and Properties

Urea Structure and Properties

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Amelia Wright

FREE Resource

The video tutorial explains how to write the Lewis structure for urea, a significant biological and industrial compound. It begins by introducing urea and its uses, then proceeds to count the valence electrons of its constituent atoms: carbon, hydrogen, nitrogen, and oxygen. The tutorial guides viewers through drawing the Lewis structure, ensuring all atoms satisfy the octet rule, and verifying the structure by checking formal charges. The video concludes with a finalized Lewis structure for urea, emphasizing the importance of understanding chemical bonding and structure representation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the primary industrial uses of urea?

As a fuel additive

As a food preservative

In the production of plastics

To make fertilizer

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many valence electrons are present in a urea molecule?

32

24

20

28

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of hydrogen atoms in a urea molecule?

4

5

3

2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which group does carbon belong to in the periodic table?

Group 18

Group 16

Group 14

Group 12

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is placed at the center of the urea Lewis structure?

Hydrogen

Carbon

Nitrogen

Oxygen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many valence electrons are initially used to form chemical bonds in the urea structure?

8

14

10

12

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What adjustment is made to ensure the central carbon atom in urea has a complete octet?

Removing an oxygen atom

Forming a double bond with oxygen

Forming a triple bond with nitrogen

Adding more hydrogen atoms

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