Radioactivity and Background Radiation Flashcards Preview

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Flashcards in Radioactivity and Background Radiation Deck (8):
1

What are isotopes? What happens to their atomic/mass number?

atoms with the same number of protons but a different number of neutrons
therefore same atomic number, different mass number

2

Give 2 examples of Carbon isotopes

Carbon-12
Carbon-14

3

What happens if an atom/isotope is radioactive?

They decay into other elements and give out radiation

4

Radioactivity is affected/unaffected by physical conditions or chemical bonding etc.

unaffected

5

Radioactivity is a totally [ ] process

Random

6

Radioactivity comes from unstable isotopes, name some common things that give out radiation (4)

Air, food, building materials, rocks

7

Radiation from space, called [ ], come mostly from the [ ]

Cosmic rays
Sun

8

Name 3 ways of getting man-made radiation

fallout from nuclear weapons tests
nuclear accidents
dumped nuclear waste