Q.

After the discovery of element of atomic number 120, which group and period, respectively, will it belong to?

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a

8, 9

b

1, 8

c

2, 8

d

2, 9

answer is C.

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Detailed Solution

120 th element belongs to 2nd group and 8 th period
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After the discovery of element of atomic number 120, which group and period, respectively, will it belong to?