Here are the matches based on the descriptions in Column A and the particle types in Column B:
-
Relatively large particle:
b. Alpha particle -
This particle cannot penetrate very far into other materials:
b. Alpha particle -
Can be absorbed by a sheet of paper:
b. Alpha particle -
Can penetrate other materials moderately:
c. Beta particle -
Can be absorbed by a sheet of aluminum:
c. Beta particle -
Has no mass and a negative charge:
c. Beta particle -
Has no mass and no charge:
a. Gamma particle -
Can be absorbed by lead:
a. Gamma particle -
Can travel long distances:
a. Gamma particle
So the full matches are: 1 - b 2 - b 3 - b 4 - c 5 - c 6 - c 7 - a 8 - a 9 - a