Radiations Flashcards by Joshua Jose | Brainscape

Q

what are alpha particals

A

a stream of positivly charged particles

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Q

how many protons and neutrons are there

A

2 p
2 n
like a helium nucleaus

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Q

what is alpha’s form in a equation

A

4 He

2

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Q

example questions for alpha …..

A

210 Po ——/ 4 He + 206 Pb
84 2 82

you takeaway 4 with mass and 2 with atomic no.

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Q

what is the form in a equation for neutrons

A

1 n

0

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Q

what is the form in a equation for protons

A

1 p

1

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Q

what is the form in a equation for electron

A

0 e

-1

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Q

what is the form in a equation for sodium 24

A

24 Na

11

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Q

what is beta

A

fast moving electrons ejected from the nucleaus

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Q

when is beta formed

A

when a netron turns to a proton and electron
1 n ——/ 1 p + 0 e
0 1 -1

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Q

examples for beta

A

234 Pa ———/ 0 e + 234 U

91 -1 92

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Q

what is gamma rays

A

very high energy radiation waves

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Q

does gamma affect the atomic no. or the mass

A

no

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Q

what does gamma emisisons happen with

A

alpha and beta

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