AP EAMCET (EAPCET) Chemistry Multiple Choice Questions (MCQs)

A) Proton

B) Neutron

C) Electron

D) Photon

A) Planetary model

B) Quantum mechanical model

C) Wave-particle duality

D) Electron cloud model

A) Proportional to the square of the orbit's radius

B) Directly proportional to the frequency of radiation emitted

C) Quantized and can only take certain specific values

D) Continuously variable

A) It explains the spectra of all atoms

B) It doesn't explain fine structure of spectral lines

C) It applies to only atoms with a single electron

D) It correctly explains the photoelectric effect

A) Position and momentum of a particle can both be precisely measured

B) Position and momentum cannot be simultaneously measured with absolute precision

C) Only the position of a particle can be precisely measured

D) The energy of an electron is quantized

A) Spherical

B) Dumbbell-shaped

C) Toroidal

D) Cubical

A) Pauli’s exclusion principle

B) Aufbau principle

C) Hund’s rule

D) Heisenberg’s uncertainty principle

A) Atomic radius

B) Ionization energy

C) Electronegativity

D) Electron affinity

A) It increases

B) It decreases

C) It remains the same

D) It first increases and then decreases

A) Their small size and high electronegativity

B) Their ability to form multiple oxidation states

C) Their high ionization energies

D) Their large atomic radius