1. What is the proton number of this element?
2. What is the atomic number of this element?
3. What is the electronic configuration of this element?
4. In which period of the periodic element would you find this element?
5. In which period of the periodic element would you find this element?
6. What is the valence electron of this element?
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Answer:
1. 10
2. 10
3. 1s2 2s2 2p6
4. period 2
5. period 2 group 8A
6. 8 valence electron