A. No
B. One
C. Two
D. Three
Related Mcqs:
- Isotopes of an element have the same__________________?
A. Number of neutrons
B. Mass number
C. Electronic configuration
D. Atomic weight - Isotopes of an element have different_____________________?
A. Mass number
B. Electronic configuration
C. Nuclear charge
D. Chemical properties - Which of the following isotopes is not present in natural uranium?
A. U-238
B. U-234
C. U-235
D. U-232 - Isotopes of an element have different_________________?
A. Mass number
B. Electronic configuration
C. Nuclear charge
D. Chemical properties - Which one is different for the neutral atoms of the isotopes of an element ?
A. Atomic weights
B. Atomic numbers
C. Number of protons
D. Number of electrons - Artificially produced radioactive isotopes are used for____________________?
A. Power generation
B. Treatment of certain diseases
C. Initiating nuclear fission and fusion
D. All A., B. and C. - Hydrogen bomb employs the nuclear fusion of __________________ ?
A. Hydrogen
B. Deuterium
C. Tritium
D. Helium - Hydrogen differs from deuterium in _____________ properties?
A. Radioactive
B. Physical
C. Chemical
D. All A., B. and C. - Which one is the radioactive isotope of hydrogen ?
A. Deuterium
B. Ortho-hydrogen
C. Tritium
D. None of these - The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about ______________ metres/second?
A. 1100
B. 2200
C. 3300
D. 4400
