atomic numbers
nucleon numbers
proton numbers
neutron numbers
Correct answer is B
neutrons + protons = the nucleus or mass numbers.
U-238 has mass number(proton 92 + neutron 146=238)
U-235 has mass number (proton 92 + neutron 143 =235)
A trough 12.0cm deep is filled with water of refractive index 43. By how much would a c...
An atom radiates 1.5 x 10−19J of energy when an electron jumps from one energy level to anoth...
In a nuclear reactor, chain reactions result from the release of ...
The phase difference between waves P and q in the diagram above is ...
At what frequency would a capacitor of 2.5μF used in radio circuit have a resistance of 250Ω...
When the vapour of a substance is in equilibrium with its own liquid, it is said to be...
Where can a man place his face to get an enlarged image when using a concave mirror to shave? ...