Radio Activity Flashcards by Fraser Cattanach | Brainscape

Q

How many protons and neutrons do alpha particles have?

A

2 neutrons 2 protons

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Q

What are alpha particles stopped by?

A

Stopped by skin

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Q

What is positron stopped by?

A

Immediately annihilates

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Q

Beta minus is…

A

Weak ionising

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Q

Gamma waves are included in the….

A

Electromagnetic spectrum

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Q

Gamma rays are the speed of…

A

Light

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Q

What is beta minus stopped by?

A

Stopped by thin aluminium

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Q

In a positron the electron is…..

A

Positively emitted from the nucleas

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Q

Gamma rays have a charge and mass of……

A

Zero 0

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Q

Gamma is a

A

Wave

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Q

Beta minus =

A

-1

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Q

Beta particles…

A

Electron emitted from nucleas

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