1
JEE Main 2022 (Online) 24th June Morning Shift
Numerical
+4
-1
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The difference in oxidation state of chromium in chromate and dichromate salts is ___________.

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2
JEE Main 2021 (Online) 31st August Evening Shift
Numerical
+4
-1
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The value of magnetic quantum number of the outermost electron of Zn+ ion is ______________.
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3
JEE Main 2021 (Online) 27th August Morning Shift
Numerical
+4
-1
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The number of f electrons in the ground state electronic configuration of Np (Z = 93) is ___________. (Nearest integer)
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4
JEE Main 2021 (Online) 26th August Morning Shift
Numerical
+4
-1
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The number of 4f electrons in the ground statement electronic configuration of Gd2+ is ___________. [Atomic number of Gd = 64]
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