Which one of the followings has maximum number of atoms? - Chemistry MCQ NEET 2020 E1 2026 | ExamTest.live | ExamTest.live

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Which one of the followings has maximum number of atoms?

A $1 g of Ag (s) [Atomic mass of A g = 108]$
B $1 g of Mg (s) [Atomic mass of M g = 24]$
C $1 g of O_{2} (g) [Atomic mass of O = 16]$
D $1 g of Li (s) [Atomic mass of L i = 7]$

Solution & Step-by-step Explanation

Number of atoms = Moles \times N_{A} \times Atomicity . A g : \frac{1}{108} \times N_{A} M g : \frac{1}{24} \times N_{A} O_{2} : \frac{1}{32} \times 2 \times N_{A} = \frac{1}{16} \times N_{A} L i : \frac{1}{7} \times N_{A} Since 7 is the smallest denominator, 1 g of Li contains the maximum number of atoms.

Practice this question

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Which one of the followings has maximum number of atoms?

A

1 g of Ag (s) [Atomic mass of A g = 108]

B

1 g of Mg (s) [Atomic mass of M g = 24]

C

1 g of O_{2} (g) [Atomic mass of O = 16]

D

1 g of Li (s) [Atomic mass of L i = 7]

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