Question
What is the mass of one atom of neon if its gram atomic mass is 20 grams?
Answer: Option B
:
B
1 mole of an element contains 6.022×1023 atoms.
1 mole of a compound contains6.022×1023 molecules.
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:
B
1 mole of an element contains 6.022×1023 atoms.
1 mole of a compound contains6.022×1023 molecules.
Neon is monoatomic in nature.
It is given that the gram atomic mass of Neon is 20 g
So, 6.022×1023 atoms of Neon weigh = 20 grams
The mass of one atom
= 206.022×1023
= 3.32×10−23 g
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