iGCSE PHYSICS RADIOACTIVITY

?
what does an atom become when an electron is removed
positive ion
1 of 16
stopped by few cm aluminum
beta particles
2 of 16
what did a more stable atom decay from
unstable nucleus
3 of 16
made up of 2 protons and 2 neutrons
alpha particles
4 of 16
same as an electron
beta particles
5 of 16
atoms or nuclei that have the same number of protons but different number of neutrons
isotopes
6 of 16
intensely ionising
alpha particles
7 of 16
high penetrating power
gamma rays
8 of 16
have no charge or mass
gamma rays
9 of 16
mostly comes from natural sources
background radiation
10 of 16
what occurs in unstable nuclei
radioactive decay
11 of 16
what is ejected during alpha decay
helium nucleus
12 of 16
in which process does a neutron turn into a proton
beta decay
13 of 16
what is given off by very energetic or excited nuclei
gamma rays
14 of 16
time taken for the mass / number / percentage / activity of the nuclei to halve
half life
15 of 16
what detects the activity of a radioactive source
Geiger-Müller tube
16 of 16

Other cards in this set

Card 2

Front

stopped by few cm aluminum

Back

beta particles

Card 3

Front

what did a more stable atom decay from

Back

Preview of the front of card 3

Card 4

Front

made up of 2 protons and 2 neutrons

Back

Preview of the front of card 4

Card 5

Front

same as an electron

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all Radioactivity resources »