4.

Question

is a negatively charged particle:
is a negatively charged particle
5.
Is the same as a helium nucleus:
Is the same as a helium nucleus
6.
Is pure energy:
Is pure energy
7.
Increases the atom number by 1:
Increases the atom number by 1
8.
Has no effect on the atomic number:
Has no effect on the atomic number
9.
Decreases the atomic number by 2:
Decreases the atomic number by 2

match these definitions to this

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

Answer 1

a. Alpha particle (5. Is the same as a helium nucleus)
b. Gamma particle (6. Is pure energy)
c. Beta particle (9. Decreases the atomic number by 2)