Atomic Structure Questions | Chemistry JEE Main Important Questions

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Topic Question Set

Q 1 :

Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is

Given ν = frequency of X-ray emitted

Z = atomic number [2023]

1

2

3

4

(2)

During bombardment of electron on metal surface.

$Z \propto \sqrt{ν}$

Q 2 :

Pair of species among the following having same bond order as well as paramagnetic character will be- [2026]

$O_{2}^{+}, N_{2}^{2 -}$
$O_{2}^{-}, N_{2}^{-}$
$O_{2}^{+}, N_{2}^{-}$
$O_{2}^{-}, N_{2}^{+}$

1

2

3

4

(3)

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