'In alpha decay a radioactive atom emits 2 protons, making it a new element as this figure drops by 2'
atomic number
PHYSICAL SCIENCE: In alpha decay a radioactive atom emits 2 protons, making it a new element as this figure drops by 2
In alpha decay a radioactive atom emits 2 protons, making it a new element as this figure drops by 2
In alpha decay a radioactive atom emits 2 protons, making it a new element as this figure drops by 2
PHYSICAL SCIENCE
atomic number
PHYSICAL SCIENCE