EASY
Chemistry
IMPORTANT
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The correct electronic configuration for the ground state of silicon (atomic number 14) is:

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Important Questions on Atomic Structure

EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 2 - Atomic Structure>Exercise 1>Q 91

The electronic configuration which obeys Hund's rule for the ground state of carbon atom is:

EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 2 - Atomic Structure>Exercise 1>Q 92
Which of the following ions has the maximum number of unpaired d-electrons?
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 2 - Atomic Structure>Exercise 1>Q 93
An element which has 2 electrons less than that in Ne is 
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 2 - Atomic Structure>Exercise 1>Q 94
If the nitrogen atom had electronic configuration 1s7, it would have energy lower than that of the normal ground state configuration 1s2 2s2 2p3 because the electrons would be closer to the nucleus. Yet, 1s7 is not observed because it violates
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 2 - Atomic Structure>Exercise 1>Q 95
If the differentiating electron in an atom goes to the 4p-orbital, then the atomic number of the element is in the range of:
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 2 - Atomic Structure>Exercise 1>Q 96
The total number of electrons that can be accommodated in all orbitals having principal quantum number 2 and azimuthal quantum number 1 is
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 2 - Atomic Structure>Exercise 1>Q 97
In a given atom, no two electrons can have the same values for all the four quantum numbers. This is called
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 2 - Atomic Structure>Exercise 1>Q 98
The maximum number of electrons in a subshell of an atom is determined by