number of gram atoms in 8 gram of helium are
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Answered by
1
Answer:
Helium is a monatomic, so, the number of atoms in the He element is one. Two moles = 1.204×1024atoms. So, two moles or we can say eight gram of He contains 1.204×1024atoms. So, the number of grams –atoms in 8 gram of He are1.204×1024.
Answered by
1
Answer:
1.204 × 10²⁴
Explanation:
atomic weight of helium = 4
no.of g atom in 8g of helium
= 1 × 8
_______
4
= 2 × 6.023 × 10 power minus ²³
= 1.204 × 10²⁴
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