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Quiz on Atomic Structure

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Question 1

The specific charge of a proton is 9.6 × 10⁷ C kg^–1, then for an α-particles it will be -

Question 2

What are the values of the orbital angular momentum of an electron in the orbitals 1s, 3s, 3d and 2p?

Question 3

In an atomic orbital the sign of the lobes indicates the -

Question 4

Which of the following symbols represent an atomic orbital?

Question 5

Rutherford’s alpha particle scattering experiment eventually led to the conclusion that -

Question 6

Calculate the wavelength of the spectral line when the electron in the hydrogen atom undergoes a transition from fourth energy level to second energy level?

Question 7

In hydrogen spectrum, the series of lines appearing in ultra violet region of electromagnetic spectrum are called -

Question 8

Which of the following series of lines in the atomic spectrum of hydrogen appear in the visible region?

Question 9

In an atom, an electron is moving with a speed of 600 m/s with an accuracy of 0.005%. certainity with which the position of the electron can be located is (h = 6.6 × 10^–34 kg m²s^–1, mass of electron e_m = 9.1 × 10^–31kg)

Question 10

The line spectra of two elements are not identical because -

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Jun 9JEE & BITSAT