Chemistry · 2020
JEE Main · 8 January 2020, Shift 2 · Q34
Hydrogen has three isotopes (A), (B) and (C). If the number of neutron(s) in (A), (B) and (C) respectively, are (x), (y) and (z), the sum of (x),(y)…
Hydrogen has three isotopes (A), (B) and (C). If the number of neutron(s) in (A), (B) and (C) respectively, are (x), (y) and (z), the sum of $\displaystyle (x),(y)$ and $\displaystyle (z)$ is :
Official answer
(3)
$\displaystyle 3$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.