NEET PRACTICE · Chemistry
Structure of Atom
487 practice questions for NEET Practice — 235 easy · 219 medium · 33 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
Identify the pair of atoms of elements as isotones from the following?
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
Identify a correct set of quantum numbers that represents the highest energy of an electron in an orbital from following?
MCQ
Calculate the energy per mole of photons of red light with a wavelength $750$ nm. [$h = 6.626 \times 10^{-34}$ Js, $C = 3 \times 10^8$ m/s.]
MCQ
Which of the following representation of atomic orbitals is CORRECT regarding dependance of orbital energy on (n+l) rule?
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
Calculate the energy associated with an electron in the first orbit of hydrogen atom?
MCQ
Which of the following elements has an electronic configuration, $[\text{Ar}]\ 4s^2$ ?
MCQ
How many total number of s and p electrons are respectively present in $\text{Cl}^-$ ?
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
Visible light has a wavelength of $700$ nm. Calculate its frequency in hertz.