C4 The Periodic Table - Electron Shells

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Rules of electron shells?
1) Electrons always occupy shells (otherwise called energy levels) 2) The lowest engergy levels are always filled first 3) Only a certain number of electrons are allowed in each shell: 1st shell = 2 electrons, 2nd shell = 8 electrons, 3rd shell = 8
1 of 5
Electronic Structure of Argon?
2.8.8
2 of 5
How can you find the atomic number?
Add up all the electrons
3 of 5
What is the electronic structure of Nitrogen?
Group 2, Period 5
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What element is in group 3, period 2?
Magnesium
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Card 2

Front

Electronic Structure of Argon?

Back

2.8.8

Card 3

Front

How can you find the atomic number?

Back

Preview of the front of card 3

Card 4

Front

What is the electronic structure of Nitrogen?

Back

Preview of the front of card 4

Card 5

Front

What element is in group 3, period 2?

Back

Preview of the front of card 5

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