Chemistry · 2026
JEE Main · 4 April 2026, Shift 1 · Q58
A monoatomic anion ( A^- ) has 45 neutrons and 36 electrons. Atomic mass, group in the periodic table and physical state at room temperature of the…
A monoatomic anion ( $\displaystyle \mathrm{A}^{-}$) has $\displaystyle 45$ neutrons and $\displaystyle 36$ electrons. Atomic mass, group in the periodic table and physical state at room temperature of the element (A) respectively are
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 80$, $\displaystyle 17$, liquid
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.