Question

assertion-52u of he contains 13 atoms. reason-5u is mass of 1 atom of he​

Answer 1

Answer:

Both are true and reason is correct explanation of assertion.

Answer 2

Answer:

7.823×10*24

Explanation:

13moles of HE atom=13×6.025×1023

Atoms of HE =7.823×1024 atoms of HE

Therefore answer is 7.823×10*24

. I hope it may help u.