Alpha beta and gamma
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Alpha beta and gamma. What is radioactive decay?. What is alpha ( α ) radiation?. 2 neutrons, 2 protons. Description . Note: – An alpha particle is the same as a helium nucleus. +2. Electric charge. 4. Relative atomic mass. Stopped by paper or a few centimetres of air. Penetrating power.

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What is alpha radiation
What is alpha (α) radiation?

2 neutrons, 2 protons

Description

Note:– An alpha particle is the same as a helium nucleus

+2

Electric charge

4

Relative atomic mass

Stopped by paper or a few centimetres of air

Penetrating power

Strongly ionizing

Ionizing effect

Effect of magnetic/ electric field

Weakly deflected


What is beta radiation
What is beta (β) radiation?

High energy electron

Description

-1

Electric charge

1/1860

Relative atomic mass

Stopped by a few millimetres of aluminium

Penetrating power

Weakly ionizing

Ionizing effect

Effect of magnetic/ electric field

Strongly deflected


Gamma radiation
Gamma () radiation

High energy electromagnetic radiation

Description

0

Electric charge

0

Relative atomic mass

Stopped by several centimetres of lead or several metres of concrete

Penetrating power

Very weakly ionizing

Ionizing effect

Effect of magnetic/ electric field

Not deflected



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