NEET PRACTICE · Chemistry
Structure of Atom
392 practice questions for NEET Practice — 339 easy · 50 medium · 3 hard. Every question is graded instantly with a step-by-step solution when you miss it.
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MCQ
Find the wave number of the $4^{\text{th}}$ line in the Lyman series of H spectrum. (R $=$ Rydberg constant)
MCQ
Visible light has a wavelength of $700$ nm. Calculate its frequency in hertz.
MCQ
Calculate the wavelength, wavenumber of photon having its energy $8.0 \times 10^{-19}\ \text{J}$. $[h = 6.626 \times 10^{-34}\ \text{J s},\ C = 3.0 \times 10^8\ \text{m s}^{-1}]$
MCQ
Calculate the de-Broglie wavelength of an electron having velocity $1000\ \text{ms}^{-1}$ [$h = 6.626 \times 10^{-34}\ \text{js}$, mass of an electron $= 9.1 \times 10^{-31}\ \text{kg}$]
MCQ
How many total number of s and p electrons are respectively present in $\text{Cl}^-$ ?
MCQ
What is the total number of electrons present in completely filled 3s, 3p, and 3d subshell having same value of magnetic quantum number?
MCQ
Select the correct options according to Hund's rule and Pauli exclusion principle. Codes
MCQ
The ionisation energy of hydrogen atom is 13.6 eV . What will be the ionisation energy of $\mathrm{He}^{+}$?
MCQ
For which of the following species Bohr's theory is not applicable?
MCQ
Which of the following notations shows the product incorrectly?
MCQ
The energy of second Bohr orbit of the hydrogen atom is $-328 \mathrm{~kJ} \mathrm{~mol}^{-1}$, hence the energy of fourth Bohr orbit would be
MCQ
Which of the following transitions involves maximum amount of energy?