Quiz about Lewis

Question 1

H₂O has how many covalent bonds?

Accepted Answer

2

Answer

0

Answer

1

Answer

3

Question 2

What is the formula of this molecule?

Accepted Answer

CH4

Answer

CH

Answer

HC4

Answer

C4H4

Question 3

How many ATOMS in this molecule

Accepted Answer

5

Answer

1

Answer

2

Answer

3

Answer

4

Question 4

H₂O has how many total atoms?

Accepted Answer

3

Answer

0

Answer

1

Answer

2

Question 5

What is a Lewis Dot Structure?

Accepted Answer

Only shows the element symbol and it's outer most electron shell

Answer

It shows all of the particles in the atom.

Answer

Contains protons and neutrons

Answer

Contains protons and electrons

Question 6

What is the drawing of an atom that only has the symbol and the valence electrons?

Accepted Answer

Lewis Dot Diagram

Answer

Bohr Diagram

Answer

Thompson Diagram

Answer

Dalton Diagram

Question 7

How many electrons should Lithium have around its Lewis dot model?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 8

How many electrons should Carbon have around its Lewis dot model?

Accepted Answer

4

Answer

1

Answer

3

Answer

5

Question 9

This is a correct dot diagram for carbon (C)

Accepted Answer

true

Answer

false

Question 10

This is a correct dot diagram for oxygen (O)?

Accepted Answer

false

Answer

true

Question 11

What element does this Lewis Dot Digram represent?

Accepted Answer

Al

Answer

Li

Answer

C

Answer

Be

Question 12

What is the primary purpose of a Lewis structure in chemistry?

Accepted Answer

To show the arrangement of electrons in molecules

Answer

To predict the shape of molecules

Answer

To determine the mass of molecules

Answer

To calculate the energy of reactions

Question 13

Which of the following elements would have a Lewis dot structure with three dots?

Accepted Answer

Boron (B)

Answer

Carbon (C)

Answer

Nitrogen (N)

Answer

Oxygen (O)

Question 14

In a Lewis structure, what do the dots around an element's symbol represent?

Accepted Answer

Valence electrons

Answer

Protons

Answer

Neutrons

Answer

Atomic mass

Question 15

Which molecule's Lewis structure would contain a double bond?

Accepted Answer

$$ ext{O}_2$$

Answer

$$ ext{H}_2$$

Answer

$$ ext{N}_2$$

Answer

$$ ext{Cl}_2$$

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