Prisijunkite
WAEC - Physics (2007 - No. 43)
The number of protons in an element increased by one after a radioactive decay. The element must have decay by emitting
a beta particle
an alpha particle
a gamma ray
a neutron
Komentarai (0)
Prisijungti Norėdami komentuoti
Skelbimas
Leiskite javascript tinkamai įkelti šį puslapį
