Activity 7. Electronic Configuration Use this table as guide for activity 7
Table 3. Arrangement of electrons in the atoms of the first 10 elements
A
Chemical
2.
2p
Electron Configuration
2px
1
11
11
1
1
11
1242
1s 2s 2px 2px
1s 2s 2p 2px 2p!
1s 2s 2px 2px 2pa!
1s 2s22px 2px 2p
1s 2s22px 2px 2p
11
30 No
1