9X4 Atomic Structure review Lesson

6 Slides • 3 Questions

1

9X4 Atomic Structure review

2

Open Ended

name the three main parts that make up a atom

Type response here

3

4

and now let's dig a bit deeper...

5

Multiple Choice

Which part of the atom has a positive charge + ?

1

proton

2

neutron

3

electron

6

Multiple Choice

Which part of the atom has a negative charge - ?

1

proton

2

neutron

3

electron

7

How do we know what the atom is made of?

We need to travel back 100 years...

8

To JJ Thompson's plum pudding model of the atom

Can you see how it is different from the diagram we saw earlier?

9

So how did we get from there to our current understanding?

By shooting alpha particles at it.....

see

https://phet.colorado.edu/sims/html/rutherford-scattering/latest/rutherford-scattering_en.html

9X4 Atomic Structure review

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