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Flashcards in nuclear chemistry Deck (12)
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1

What does alpha radiation consist of?

Two protons and two neutrons
Carry a double positive charge

2

What is alpha radiation attracted to?

negatively charged plate

3

what is alpha represented as?

4
2 He

4

What is beta radiation attracted to?

positively charged plate

5

In beta radiation what does the neutron break down to?

Changes into a proton

6

What happens to the electrons in beta radiation?

Ejected from the nucleus of an atom

7

What is gamma radiation

Electromagnetic waves from the nucleus of an atom

8

What is gamma radiation attracted to?

nothing, not deflected by an electric field

9

What is the travel distance of alpha radiation and what can stop it?

few cm can be stopped by piece of paper

10

What is the travel distance of beta radiation and what can stop it?

over a meter in air stopped by sheet of aluminium

11

What is the travel distance of gamma radiation and what can stop it?

Great distance in air, stopped by barriers made of materials such as lead or concrete

12

What is a half life?

time taken for the activity to decrease by half