1
JEE Main 2021 (Online) 25th July Evening Shift
Numerical
+4
-1
Number of electrons present in 4f orbital of Ho3+ ion is ____________. (Given Atomic No. of Ho = 67)
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2
JEE Main 2021 (Online) 22th July Evening Shift
Numerical
+4
-1
Number of electrons that Vanadium (Z = 23) has in p-orbitals is equal to _____________
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3
JEE Main 2021 (Online) 17th March Evening Shift
Numerical
+4
-1
In the ground state of atomic Fe(Z = 26), the spin-only magnetic moment is ____________ $$\times$$ 10$$-$$1 BM. (Round off to the Nearest Integer). [Given : $$\sqrt 3 $$ = 1.73, $$\sqrt 2 $$ = 1.41 ]
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4
JEE Main 2021 (Online) 26th February Evening Shift
Numerical
+4
-1
In mildly alkaline medium, thiosulphate ion is oxidized by $$MnO_4^ - $$ to "A". The oxidation state of sulphur in "A" is __________.
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