Answer:
Atomic Number
Electronic
configuration
Group number
Period number
Valency
Elements
10
2, 8
(8 + 10) = 18
2nd
Zero
Neon
20
2, 8, 8, 2
= 2
4th
2
Calcium
7
2, 5
(5 + 10) = 15
2nd
(8 - 5) = 3
Nitrogen
14
2, 8, 4
(4 + 10) = 14
3rd
4
Silicon
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