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Flashcards in Radioactivity Deck (26):
1

alpha decay process particles emitted how?

in continuous (NOT discrete) E spectrum

2

internal conversion decay process

excess nuclear E is passed on to 1 of the orbital e- which is then ejected from the atom

3

B+ decay- Z changes by ?

Z decr by 1

4

B- decay- Z changes by ?

Z incr by 1

5

e- capture- Z changes by?

Z decr by 1

6

gamma decay- Z changes by?

Z stays the same

7

internal conversion- Z changes by?

Z stays the same

8

spontaneous fission competes with?

alpha decay

9

B+ decay emits?

positron & neutrino

10

B+ decay example

N-13 to C-13

11

B+ decay spectrum?

continuous

12

B- decay emits?

e- & antineutrino

13

B- decay example

C0-60 into Ni-60

14

e- capture emits?

neutrino

15

e- capture example

Berillium-7 into Li-7

16

gamma decay emits?

photon

17

gamma decay example

Cs-137 to Ba-137

18

internal conversion emits?

orbital e-

19

spontaneous fission occurs with atomic masses > ?

230U

20

Spontaneous fission emits?

Fission products

21

Energy difference between the two quantum states is called

Decay energy Q

22

Activity of 1 g of Ra

0.988 Ci

23

Example of secular equilibrium

Ra to Rn

24

Radioactivation of nuclides occurs when a parent nuclide is bombarded with

Thermal neutrons

25

Example of nuclide Radioactivation is

Co-60

26

Alpha decay A & Z changes by what

Z decreases by 2
A decreases by 4