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Which of the following is the second most abundant noble gas in the atmosphere?(a) Helium(b) Argon(c) Neon(d) KryptonThis question was addressed to me in an interview for job.My question is from P-Block topic in chapter P-Block Elements of Chemistry – Class 12

Answer»

Right choice is (C) Neon

The EXPLANATION is: Argon is the most abundant noble GAS in the atmosphere, accounting for about 0.934% by volume. Neon is the second most abundant noble gas in the atmosphere (about 0.00182%) FOLLOWED by helium as the THIRD most abundant noble gas (about 0.000524%).



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