nuclear equations Flashcards
1
Q
form of nuclear equations
A
atom before decay –> atom after decay + radiation emitted
2
Q
what happens to an atom that has emitted an alpha particle?
A
atomic number reduces by 2, mass number reduces by 4
3
Q
how is an alpha particle written?
A
4
He
2
4
Q
what happens to an atom that has undergone beta decay?
A
atomic number increases by 1, mass number stays the same
5
Q
how is a beta particle written?
A
0
e
-1
6
Q
what happens to an atom that has released a gamma ray?
A
nothing-mass and atomic number stay the same
7
Q
how is a gamma ray written?
A
0
γ
0
