Chemistry Question Bank

[Haryana PMT 2010] The electronic configuration 1s², 2s², 2p¹ₓ 2p¹ᵧ 2p¹_z for nitrogen (not 1s², 2s², 2p²ₓ 2p¹ᵧ 2p⁰_z) is determined by

[RPMT 2010] Principal, azimuthal and magnetic quantum numbers are respectively related to

[VMMC 2010] Which of the following pairs is isoelectronic?

[CBSE AIPMT 2011] The total number of atomic orbitals in the fourth energy level of an atom is

[Manipal 2010] Which one of the following statements in relation to the hydrogen atom is correct?

[KCET 2012] The nitride ion in lithium nitride (Li₃N) is composed of

[AIPMT 2012] Maximum number of electrons in a subshell with l = 3 and n = 4 is

[NEET 2013] What is the maximum number of electrons that can be associated with the quantum numbers n=3, l=1 and m=−1?

[CBSE AIPMT 2015] The orbital angular momentum of an electron in a d orbital is equal to

[NEET 2016] How many electrons can fit in the orbital for which n = 3 and l = 1?

[NEET 2016] Two electrons occupying the same orbital are distinguished by

[NEET 2020] In ¹⁷⁵₇₁Lu, the number of protons, neutrons and electrons respectively are

[NEET 2021] A radio station broadcasts at frequency 1368 kHz. The wavelength of electromagnetic radiation emitted is (c = 3 × 10⁸ m/s)

Which series in the hydrogen spectrum lies in the ultraviolet region?

Pauli's exclusion principle states that

In any subshell, the maximum number of electrons having the same value of spin quantum number is

Atoms can be further divided into sub-particles like

Mass of neutron is about ________ times the mass of the electron.

Positive rays (canal rays) are:

The oil drop experiment was developed by

The smallest and lightest positive ion obtained from hydrogen is called

The correct order of increasing wavelength of electromagnetic radiations is

The relationship between frequency (ν), wavelength (λ) and velocity of light (c) is

The number of wavelengths per unit length is called

Rank the following radiations from highest energy to lowest: X-ray, ultraviolet, visible, infrared, microwave