Activity 1. Write the electron configurations of the following elements.
1. Aluminum
2. Boron
3. Magnesium
4. Argon
5. Boron
6. Calcium
7. Sodium
1. Aluminum
2. Boron
3. Magnesium
4. Argon
5. Boron
6. Calcium
7. Sodium
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Answer:
1.(Ne)3s²3p¹
2.1s²2s²2p¹
3.(Ne)3s²
4.(Ne)3s²3p6
5.1s²2s²2p²
6.(Ar)4s²
7.(Ne)3s¹
ps.look at the no.4. you see the no.6? Write it small okey like this "²"