Nuclear principles in engineering quiz
Nuclear Principles in Engineering Quiz
Test your knowledge of nuclear principles and engineering fundamentals with our comprehensive quiz. This quiz covers a range of topics, including atomic models, electron behaviors, and the principles governing chemical reactions.
Prepare to challenge yourself with questions that will enhance your understanding of important concepts!
- 35 challenging questions
- Multiple choice format
- Instant scoring feedback
According to the law of definite proprtions , when two elements combine to create a chemical compound they combine in variable ratios by wheight
True
False
Cathode rays are produced between two plates in a glass tube filled with high density gas
True
False
The atomic model that described how all elements were composed of indivisible particles ,is :
The plum pudding atomic model
The cannonball atomic model
The planetary atomic model
Bohr atomic model
The velocity of electrons is one tenth the velocity of light
True
False
The repulsive force between an alpha particle and a positive nucleus is inversely proportional to the product of their charges.
True
False
In a neutral nucleus , the number of electrons is equal to the number of neutrons
True
False
The distance from the nucleus perpendicular to the line of approach of the incident particle , this is :
Impact parameter
Closest point of approach
Ratherford scattering formula
Based on the planetary atomic model , rutherford was able to define the angular distribution of the scattered alpha particles
True
False
Large-angle scattering departed from rutherford's scattering formula
True
False
Light is emitted as well as absorbed in discrete quanta of energy
True
False
The angular momentum of the electrons in their orbits is not quantized
True
False
When electrons move from one orbit to another , they never cross the space between the orbits
True
False
An electron jumps to a higher orbit when the atom absorbs a photon
True
False
An electron in its stationary orbit doesn't radiate energy as long as its not disturbed
True
False
According to newtons second law of motion , the coulomb force of attraction is equal to the electrons centripetal force .
True
False
The distribution of light as a function of its frequency or its wavelength , this is :
Spectrum
Absorption photons
X -ray
The Rydberg energy is equal to the energy of the ground state in a hydrogen atom
True
False
The transition to the first excited state corresponds to Balmer series
True
False
A process in which an electron is discharged from the atom, this is called excitation
True
False
In the case of ionization ,the electron will have a kinetic energy equal to the difference between the photon's initial energy and the ionization potential
True
False
The attractive force of the nucleus diminishes due to the presence of the outer electrons (screening factor)
True
False
Orbitals with the same (n) and (L) are equal in energy
True
False
Orbitals with the same (n) and (L) are equal in energy and they are called :
Degenerate orbits
Penetrating orbits
Stationary orbits
The ground state of a hydrogen atom has zero angular momentum (L)
True
False
No two electrons in any atom can share the same set of four quantum numbers , this is
The pauli exclusion princible
The aufbau princible
(S) orbits are also called penetrating orbits
True
False
In the periodic table, the sixth shell elements are called lanthanides
True
False
The excitation energies of the outer electrons are called optical excitations
True
False
The atomic radius represents the distance between the nucleus and the innermost electrons
True
False
The size of the atom increases with an increase in the number of electrons in a group
True
False
One mole of any substance contains (, avogadro's number) of molecules
True
False
The weight in grams of 1 mole of a substance is numerically equal to its molecular weight.
True
False
The unified atomic mass unit (amu) is exactly one half of the mass of a carbon (C) atom
True
False
The total number of nucleons in a nucleus is:
Atomic number
Atomic mass number
Atomic wieght
The average of isotope weights is :
Atomic number
Atomic mass number
Atomic wieght
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