Chemistry, asked by jazimahmed0077, 10 months ago

the number of periods in the long form of the periodic table is [a] 6 [b] 7 [c] 10 [d] 18

Answers

Answered by manan115
1

Answer:7                                                        is the answer

Explanation:

Answered by Rithika1904
0

b) 7

there are 7 periods

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