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Atom Structure

Atom Structure

Assessment

Presentation

Science

8th Grade

Medium

NGSS
MS-PS1-1, MS-PS2-3, MS-PS1-5

Standards-aligned

Created by

Daniel Viera

Used 6+ times

FREE Resource

13 Slides • 13 Questions

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Matter

• Anything that has

mass and takes up
space (has volume)

• Made up of different

kinds of atoms

3

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Matter

• Includes all things

that can be seen,
tasted, smelled, or
touched

• Does not include

heat, sound, or light

4

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matter

atoms

5

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subatomic

protons

electrons

neutrons

6

Multiple Select

Which of these are subatomic particles

1

Proton

2

Neutron

3

Electron

4

Cell

5

Organelle

7

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Matter is made of atoms

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Atomic Structure

• Nucleus

• Protons
• Neutrons

• Electrons

9

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Electron Cloud

Around the Nucleus
Full of empty space

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Electrons

• Tiny, very light particles
• Electron AMU = 0.0005
• negative electrical charge (-)
• Move around the outside of the nucleus

11

Multiple Choice

Question image
1
Protons
2
Neutrons
3
Electrons

12

Multiple Choice

Question image
1
Positive, electron cloud
2
Neutral, nucleus
3
Negative, electron cloud
4
Negative, nucleus

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Nucleus

• Contains most of the mass of the atom

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Inside the Nucleus

15

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Protons

Much larger and heavier than electrons
• Amu = 1.007
• positive charge (+)

> Identifies the atom

16

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Neutrons

• Large and heavy like protons
• no electrical charge (Neutral)
• AMU = 1.009

17

Multiple Choice

Choose the particle that has no charge.
1
nucleus
2
neutron
3
proton
4
electron

18

Multiple Choice

Question image
What number indicates an electron?
1
1
2
2
3
3
4
4

19

Multiple Choice

Question image
What number indicates the nucleus?
1
1
2
2
3
3
4
4

20

Multiple Choice

Which particle has a positive charge?
1
electron
2
orbital
3
proton
4
neutron

21

Multiple Choice

This particle determines what element you have - the elements identity.
1
electron
2
proton
3
neutron
4
valence shell

22

Multiple Choice

Describe an Electron Cloud?
1
the mist outside of an atom
2
home of the protons
3
where electrons are located
4
nucleus

23

Multiple Choice

Which particles make up the nucleus of an atom?
1
protons and neutrons
2
electrons and protons
3
electrons, protons, and neutrons
4
electrons and neutrons

24

Multiple Choice

The subatomic particle that determines the identity of an element.
1
neutron
2
proton
3
electron
4
outer shell

25

Multiple Choice

Question image

How many Electrons are shown in the atom pictured? 

1
11
2
12
3
22
4
23

26

Multiple Choice

Question image

How many neutrons does this atom have?

1
11
2
12
3
22
4
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