Atomic number of an element in the periodic table represents the numbers of_________________?

Related Mcqs:

The mass number of a substance represents the sum of total number of___________________?

A. protons and neutrons in an atom B. protons and electrons in an atom C. neutrons and electrons in an atom D. protons and neutrons in a nucleus E. protons and electrons in a nucleus...

A nuclear fission produces energy of following order in MeV___________________?

A. 20 B. 200 C. 2000 D. 20,000 E. 2 x 105...

Electron-volt is the unit of________________?

A. atomic power B. energy C. voltage D. radio activity E. there is no such unit....

Which of the following can be used as a coolant in nuclear plant________________?

A. light or heavy water B. molten lead C. carbon dioxide D. freon E. carbon tetrachloride...

A fission chain reaction in uranium can be developed by________________?

A. slowing down fast neutrons so that Uz fission continues by slow motion neutrons B. accelerating fast neutrons C. absorbing all neutrons D. using moderator E. enriching U235...