Question

which of the following has smallest mass?
(A) 4 g ofHe (B)6.22 x 1023 atom of He
(c)1 atom of He (D)1 mole atoms of He
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Answer 1

Answer:

answer is c ..............

1 atom of he is = 4 × 1.67 ×10 power -24gram

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Answer 2

1 atom of He has least/smallest mass.

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