what is the total number of protons and neutrons?

what is the effect of magnetic and electric fields on alpha, beta and gamma rays

what is the total number of protons called?

some subastances give out radiation from where?

where does background radiation come from?

what is an alpha particle?

what is a beta particle?

what is gamma radiation?

1 use of alpha radiation

use of beta radiation

Use of gamma radiation

what are 3 properties of alpha particles?

what dangers are there with an alpha particle

what are 3 properties of beta particles?

what are the dangers accosiated with beta radiation.

Dangers associated with Gamma radiation.

what is the half life of an isotope?

name 3 properties of gamma radiation

what is the basic structure of an atom?

what is the basic structure of an atom?

what is the relative atomic mass of a proton and a neutron?

what is the relative atomic mass on an electron?

name the 2 features of the plum pudding model

who disproved the plum pudding model? when?

how was the plum pudding model disproved?

what charge does and atom have?

atoms may lose or gain electrons to form what?

what were the results of the experiment?

whats is the different feature of an isotope?

what was deduced from these results?

why was the theory accepted?
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