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Online Practice: Electronic configuration of elements and extra stability of half-filled and completely filled orbitals for JEE

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Sharpen your chemistry preparation with interactive online practice for Electronic configuration of elements and extra stability of half-filled and completely filled orbitals. Goodmarks offers 21+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.

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Part of Atomic Structure in JEE Main Chemistry.

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Attempt 8 free MCQs for Electronic configuration of elements and extra stability of half-filled and completely filled orbitals. Unlock 13+ more with Pro.

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Q1ChemistryUnit 2: Atomic Structure
element has one electron in the outermost shell and attains duplet configuration after accepting one more electron and attains stability.
Q2ChemistryUnit 2: Atomic Structure
Statement I: Ground state electronic configuration of chromium atom is (Ar)4s13d5(A r) 4 s^{1} 3 d^{5} Statement II: Exchange energy is more wtih (Ar)4s13d5(\boldsymbol{A} \boldsymbol{r}) \boldsymbol{4} \boldsymbol{s}^{1} \boldsymbol{3} \boldsymbol{d}^{5} then (Ar)4s23d4(\boldsymbol{A} \boldsymbol{r}) \boldsymbol{4} \boldsymbol{s}^{2} \boldsymbol{3} \boldsymbol{d}^{4}
Q3ChemistryUnit 2: Atomic Structure
Which of the following has ns2np6nd10n s^{2} n p^{6} n d^{10} (n+1)s0(n+1) s^{0} configuration?
Q4ChemistryUnit 2: Atomic Structure
Which of the properties of isotopes of an element is different?
Q5ChemistryUnit 2: Atomic Structure
Which of the following is not true for 1H1,1H2,1H3?\mathbf{1} \boldsymbol{H}^{1}, \mathbf{1} \boldsymbol{H}^{2}, \mathbf{1} \boldsymbol{H}^{3} \mathbf{?}
Q6ChemistryUnit 2: Atomic Structure
The stability of ferric ion is due to
Q7ChemistryUnit 2: Atomic Structure
Which amongst the following can lose 2 electrons to acquire the configuration of argon?
Q8ChemistryUnit 2: Atomic Structure
Electronic configuration [Kr]4d10[\boldsymbol{K} \boldsymbol{r}] \boldsymbol{4} \boldsymbol{d}^{10} belongs to:

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