Understanding the Lewis Structure of N2O

Understanding the Lewis Structure of N2O

Assessment

Interactive Video

Chemistry, Science

9th - 12th Grade

Hard

Created by

Emma Peterson

FREE Resource

The video tutorial explains how to draw the Lewis structure of N2O, also known as nitrous oxide. It begins by calculating the total number of valence electrons and determining the central atom, which is nitrogen. Various Lewis structure options are explored, and the formal charges are calculated to identify the most stable structure. The tutorial concludes by explaining why the negative charge is best placed on the oxygen atom due to its higher electronegativity.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of valence electrons in N2O?

20

18

16

14

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which atom is chosen as the central atom in N2O and why?

Oxygen, because it has more valence electrons

Nitrogen, because it can form more bonds

Oxygen, because it is more electronegative

Nitrogen, because it is less electronegative

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many bonds does nitrogen typically form to achieve a stable configuration?

Four

Two

One

Three

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a possible bonding configuration for N2O?

One bond between N and O, two bonds between N and N

Two bonds between N and N, two bonds between N and O

Two bonds between N and O, one bond between N and N

Three bonds between N and O, one bond between N and N

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of resonance structures in the context of N2O?

They illustrate different possible arrangements of electrons

They represent different possible energy levels

They indicate different possible numbers of atoms

They show different possible shapes of the molecule

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the formal charge of an atom in a molecule calculated?

Lone pairs minus valence electrons and bonds

Valence electrons minus bonds and lone pairs

Valence electrons plus bonds and lone pairs

Bonds minus valence electrons and lone pairs

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to minimize formal charge in a Lewis structure?

To decrease the molecule's energy

To decrease the molecule's reactivity

To increase the molecule's stability

To increase the molecule's size

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