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Understanding Lewis Structures for CO2

Understanding Lewis Structures for CO2

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in drawing the Lewis structure for CO2?

Calculate the total number of valence electrons

Write the correct skeletal structure

Form double or triple bonds

Distribute electrons among atoms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't hydrogen be a central atom in a Lewis structure?

It is always a noble gas

It has too many valence electrons

It can only form one bond

It is too electronegative

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which atom is typically placed in the central position of a molecule?

The atom with the highest atomic number

The atom with the most valence electrons

The least electronegative atom

The most electronegative atom

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the number of valence electrons for main group elements?

By their atomic number

By their period number

By their electronegativity

By their group number

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of valence electrons in CO2?

12

16

18

20

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in distributing electrons among atoms in CO2?

Place lone pairs on the central atom

Calculate the total number of electron pairs

Place two electrons between each pair of atoms

Form double bonds

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When distributing electrons, which atoms should receive lone pairs first?

The atoms with the fewest bonds

The most electronegative atoms

The least electronegative atoms

The central atom

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