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liraira [26]
3 years ago
7

1) What is a column called in the periodic table and what do the

Biology
1 answer:
VikaD [51]3 years ago
8 0

Answer:

D.group;the same number of valence electron

Explanation:

for eg O It Has 8 Atomic No 2,6

S It Has 16 Atomic No 2,8,6

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