Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 3>Q 9

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JEE Main

IMPORTANT

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Suppose that the maximum number of electrons in a d-orbital is ' $x$ ' and the minimum number of electrons of the same spin in 'd' sub-shell (of any possible configuration) is ' $y$ '. Then, what is the product ' $xy$ '?

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Important Questions on Structure of Atom

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JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 3>Q 10

Which of the following indicates the set of quantum numbers corresponding to the highest energy for

{He}^{+}

?

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 3>Q 11

The total number of electrons present in all the

p -

orbitals in the ground state of

{}_{34}{Se}

are

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Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 3>Q 12

Which among the following have the same number of electrons in the ultimate as well as the penultimate shell?

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JEE Main

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Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 3>Q 13

In hydrogen atom an orbit has a diameter of about

16.92 Å .

What is the maximum number of electrons that can be accommodated.

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 3>Q 14

The latent heat of fusion of ice is

330 {Jg}^{- 1} .

Calculate the number of photons of radiation of frequency

5 \times 10^{13} s^{- 1}

to cause the melting of

1

mole of ice. Take

h = 6.6 \times 10^{34} J . S .

Express your answer as

X \times 10^{22},

what is the value of

' X' .