Chemistry, asked by himanshuking0654, 9 months ago

One mole of an element contains 4.2 x 1024 electrons. What is the atomic no. of the element?
(a) 2
(b) 4
(c) 7
(d) 8

Answers

Answered by BhumeshBaniya

3

Answer:

7 is the correct answer

Explanation:

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Answered by bishansingh786

38

Explanation:

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