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Shkiper50 [21]
3 years ago
7

15

Chemistry
1 answer:
Vinil7 [7]3 years ago
5 0

Answer:

barium and silicon has same valence electrons

Explanation:

barium-2,8,18,18,8,2

neon-2,8

silicon-2,8,2,2

carbon-2,4

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