Question

Leaming Task 2: Determine which of the following electron configurations are not correctly written.
Put an X if it is NOT correctly written, put av if it is correctly written
1 1s 2s 2p 3s 3p4 _X
2. 1s 2s 2p 3s 3p 452 4d104ps
3. 1s 2s 2p 3s3 3d5
4. 1s 2s 2p 3s 3p 4s 3d10 4p 5s1
5. 1s 2s 2p 3s 3p​

Answer 1

Answer:

2X

3X

4✓

5✓

Explanation:

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