How to Lewis and Bohr

How to Lewis and Bohr

Presentation

•

Chemistry

•

10th Grade

•

Hard

Created by

Joseph Anderson

FREE Resource

12 Slides • 13 Questions

1

Lewis Dot and Bohr models

LI: We are leaning to analyze and interpret Lewis and Hohr diagrams to understand molecular bonding and electron distribution in chemical compounds.

SC: You are successful when you can:
1. Identify key features accurately, identify, and label the important compone nts including atoms, bonds, and lone pairs.
2. Analyze diagrams and explain the significance of electron arrangements.

Remember Midterm on Monday and Tuesday

Bellwork
Create a Level 2 question regarding the previous chemistry lesson to discuss with the class.

2

3

4

5

Multiple Choice

How many electrons can go in the first energy level?

1

2

2

8

3

18

4

32

6

Multiple Choice

How many electrons can go in the second energy level?

1

2

2

8

3

18

4

32

7

Multiple Choice

How many electrons can go in the third energy level?

1

2

2

8

3

18

4

32

8

9

Draw the Bohr Diagram for the following:

H, Li, Na

10

Draw the Bohr Diagram for the following:

H, Li, Na

What do you notice about all of the valence shells?

11

Draw the Bohr Diagram for the following:

H, Li, Na

What do you notice about all of the valence shells?
They all have one electron!

12

Draw the Bohr Diagram for the following:

H, Li, Na

What do you notice about all of the valence shells?
They all have one electron!
Now try this column…
- Be, Mg

13

Draw the Bohr Diagram for the following:

H, Li, Na

What do you notice about all of the valence shells?
They all have one electron!
Now try this column…
- Be, Mg
Valence trend…

14

15

16

Multiple Choice

What is a Lewis Dot Structure?

1

It shows all of the particles in the atom.

2

Contains protons and neutrons

3

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

4

Contains protons and electrons

17

Multiple Choice

What is the the outermost shell with electrons?

1

Shells

2

Isotope

3

Orbit

4

Valence

18

Multiple Choice

Question image

How many valence (outer) electrons does an Oxygen atom have?

1

2

2

6

3

8

4

16

19

Multiple Choice

Question image

What is the mass number of this atom of Chlorine?

1

17

2

18

3

35

4

35.453

20

Multiple Choice

Question image

Which element is this?

1

Calcium

2

Chlorine

3

Silicon

4

Potassium

21

Multiple Choice

Which Bohr model represents Be?

1

2

3

4

22

Multiple Choice

Which Bohr model represents Neon?

1

2

3

4

23

Multiple Choice

Question image

Is this a correct dot diagram for fluorine (F)

1

Yes

2

No

24

Multiple Choice

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

1

1

2

3

3

4

4

5

25

Multiple Choice

Question image

What is the correct lewis dot diagram for Boron?

1

2

3

4

Lewis Dot and Bohr models

LI: We are leaning to analyze and interpret Lewis and Hohr diagrams to understand molecular bonding and electron distribution in chemical compounds.

SC: You are successful when you can:
1. Identify key features accurately, identify, and label the important compone nts including atoms, bonds, and lone pairs.
2. Analyze diagrams and explain the significance of electron arrangements.

Remember Midterm on Monday and Tuesday

Bellwork
Create a Level 2 question regarding the previous chemistry lesson to discuss with the class.

Show answer

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