Structure of Atom

JEE Main · Chemistry · 14 past questions

These are the board's own papers. 167 more board questions reprinted in the books we use in class are for signed-in students: sign in.

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1. Q5 2026 4 Apr Shift 1

   A monoatomic anion (A$^-$) has 45 neutrons and 36 electrons. Atomic mass, group in the periodic table and…

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2. Q7 2026 4 Apr Shift 2

   Pairs of elements with the same number of electrons in their respective 4f orbital are…

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