Medium
Assertion : Spin quantum number can have two values,$+\frac{1}{2}$ and $-\frac{1}{2}$.
Reason : $+$ and $-$ signs signify the positive and negative wave functions.
Reason : $+$ and $-$ signs signify the positive and negative wave functions.
- AIf both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- BIf both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- CIf the Assertion is correct but Reason is incorrect.
- DIf both the Assertion and Reason are incorrect.
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The principal quantum number represents:
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View Solution$A$: The energy of an electron can be determined by the principal quantum number.
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$R$: The principal quantum number $(n)$ determines the possible distance of the electron from the nucleus.
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View SolutionIn the ground state,an element has $13$ electrons in the $M$ shell. The element is
The electronic configuration of three elements $A$,$B$,and $C$ are given below. Stable form of $A$ may be represented by the formula:
$A : 1s^2, 2s^2, 2p^6$
$B : 1s^2, 2s^2, 2p^6, 3s^2, 3p^3$
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$B : 1s^2, 2s^2, 2p^6, 3s^2, 3p^3$
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Medium
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