Nuclear Chemistry

Question 1

Alpha facts (4)

Answer 1

Stopped by paper
Helium nucleus
2+ charge
+1 mass

Question 2

Danger level of alpha

Answer 2

Inside body: more dangerous
Outside body: less dangerous

Question 3

Beta facts (4)

Answer 3

Stopped by thin aluminium
Fast moving election
-1 charge
-1 mass

Question 4

Danger level of Beta

Answer 4

Inside body: less dangerous
Outside body:more dangerous

Question 5

Gamma facts (4)

Answer 5

Stopped by thick lead or concrete
0 charge
0 mass
Electromagnetic wave

Question 6

Danger level of gamma

Answer 6

Inside body: less dangerous
Outside body:more dangerous

Question 7

What is this nuclear decay?
4 He
2

Answer 7

Alpha

Question 8

What is this nuclear decay?
0 e
-1

Answer 8

Beta

Question 9

How do u find the element for nuclide decay?

Answer 9

By looking at the bottom number, AKA the atomic number

Question 10

Definition of half life

Answer 10

The time it takes for the activity to reach half its original value

Question 11

Example and use of alpha radiation

Answer 11

Americium- 241
Used in smoke detectors

Question 12

Example and use of beta radiation

Answer 12

Iodine- 133
Used to treat thyroid gland

Question 13

Example and use of gamma radiation

Answer 13

Cobalt- 60
Use to treat cancers/ tumours