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Photon of which light has maximum energy?

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Important Questions on Structure of Atom

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 17
Electromagnetic radiations of wavelength 242 nm is just sufficient to ionise sodium atom. Then, the ionisation energy of Sodium in kJ mole-1 is:
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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 18
Which is the correct relationship?
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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 19
The number of electrons plus neutrons in K+1940 is:
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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 20
The isoelectronic pair of ions is:
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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 21
The isoelectronic pair is:
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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 22
Maximum number of electrons that can be accommodated in the subshell with azimuthal quantum number l=4, is:
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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 23

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

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 24
Among the following, the INCORRECT statement is