X rays are incident on a target metal atom having 30 neutrons. The ratio of the atomic radii of the target atom and `""_2He^4 " is " (14)^(1//3)`. What is the atomic number of the target atom ?

X-rays are incident on a target metal atom having 30 neutrons.The ratio of atomic radius of the target atom and _2He^4 is 14^(1//3) . find the atomic number of the target atom.

The ratio of the radii of the atom to the nucleus is

The ratio of the radii of the atom to the nucleus is

An atom having atomic mass number 13 has 7 neutrons. What is the atomic number of the atom.

An atom having atomic mass number 13 has 7 neutrons. What is the atomic number of the atom.

Highly energetic electrons are bombarded on a target of an element containing 30 neutrons. The ratio of radii of nucleus to that of Helium nucleus is 141//3 . The atomic number of nucleus will be.

The ratio between radii of He^(+) ion and H atom is

Highly energetic electron are bombarded in a target of an element containing 30 neutrons Tne ratio of nucleus to that of Helium nucleus is (14)^(1//3) . Find atomic number of the nucleus (R = 1.1 xx 10^(7) m^(-1) )