The mass number of an element is equal to the number of _____________ in the nucleus?

Related Mcqs:

Primary purpose of a ____________ nuclear reactor is to supply a high neutron flux of the order of 1013 to 1014neutrons/cm2 second?

A. Research B. Power C. Breeder D. Homogeneous...

Thermal neutrons which are used to cause the fission of U-235 have energy _____________ eV?

A. < 0.025 B. > 1 C. 1-25 D. > 200...

Heavy water has maximum density at ______________ °C ?

A. 4 B. 11.6 C. 0 D. 18.6...

A moderator _____________ the neutrons?

A. Slows down B. Absorbs C. Accelerates D. Reflects...

Absorption/scattering cross-section of an element is expressed in “barn”, which is equivalent to___________________?

A. 10-24 cm2 B. 10-12 cm C. 1 Angstrom D. 10-24 cm...