Find out the number of neutrons present in Fluorine atom.

The number of neutrons present in Fluorine atom ""_(9)^19F =

Find out the number of chromosomes present in meiocytes of Dog, Rat, Rice and Potato respectively

The number of atoms present in 142g of Chlorine is

The number of hydrogen atoms present in butane.

Calculate the number of Neutrons present in the nucleus of an /element 'X' which si represaented as _15^31X .

The number of electrons present in M shell of aluminum atom:

The number of electrons present in M-shell of chromium atom is

Number of neutrons N = ………..

Should we consider the number of neutrons as a characteristic of an atom?

If ‘Z’ is number of protons in the nucleus, ‘N’ is the number of neutrons in the same nucleus than atomic mass number A=