Unit 2 lesson 7: Lewis Dot & Bohr diagrams

Unit 2 lesson 7: Lewis Dot & Bohr diagrams

Presentation

•

Chemistry

•

10th Grade

•

Easy

•

NGSS

HS-PS1-1, MS-PS1-1, HS-PS1-2

Standards-aligned

Created by

Katie Smit

Used 19+ times

FREE Resource

13 Slides • 13 Questions

1

TUESDAY 9/20: UNIT 2 – Lewis Dot and Bohr models

Thurs 9/22- Unit 2 Test, MOS due
Fri 9/23 is a PLD days

Announcements/Reminders

Bellwork:

Agenda

ON GC

Bellwork
Video- https://photos.app.goo.gl/VrB4s3tBoSwmhXQk8
Lewis dot & bohr models

HW:

PAGES 28-31 if not finished in 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

26

Practice on page 28-31

Finish for HW

Some text here about the topic of discussion

TUESDAY 9/20: UNIT 2 – Lewis Dot and Bohr models

Thurs 9/22- Unit 2 Test, MOS due
Fri 9/23 is a PLD days

Announcements/Reminders

Bellwork:

Agenda

ON GC

Bellwork
Video- https://photos.app.goo.gl/VrB4s3tBoSwmhXQk8
Lewis dot & bohr models

HW:

PAGES 28-31 if not finished in class

Show answer

Auto Play

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