1.Is the same as a helium nucleus

Question

2.Is pure energy

3. Increases the atom number by 1:

4. Has no effect on the atomic number:

5. Decreases the atomic number by 2

match this with this

a.Beta particle
b.Gamma particle
c.Alpha particle

Answer 1

1. c. Alpha particle
2. b. Gamma particle
3. a. Beta particle
4. b. Gamma particle
5. c. Alpha particle