MHT-CET

2. Structure of atom question bank (Chemistry)

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Q1.

"No two electrons in an atom can have the identical set of four quantum numbers." The statement is known as

(A)
Pauli's exclusion principle.
(B)
Hund's rule.
(C)
Aufbau rule.
(D)
Heisenberg uncertainty principle.
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Q2.

Which of the following elements contains the maximum number of unpaired electrons?

(A)
Fluorine
(B)
Sodium
(C)
Nitrogen
(D)
Oxygen
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