How many atoms of silver are present in one mole of silver

Multiply the mass of the silver atom with avagadro no you will get the no of atoms .

Explanation:

suppose 0.25 moles are silver are multiplied with 6.02*10^23 , you will get the atoms of silver element

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.