Chemistry, asked by aashik99, 10 hours ago

The element with atomic number 78 belongs to

a.6th group, 10 period
b. 7th group, 3rd period
c. 10th group, 5th period
d. 6th period, 10th group

Answers

Answered by surabhiss357

0

Answer:

d. 6th period, 10th group

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