physics -nuclear decay cp6 p2

Question 1

what is the structure of the atom

Answer 1

2.8.8.2

Question 2

brief history of the atom

Answer 2

-dalton -believed that it was solid
-jj thompson-plum pudding
-rutherford
-bohr

Question 3

how do you work out
1-mass number
2-atomic number
3-nutrons

Answer 3

1-the top number
2-the bottom number -also the number of protons and electrons
3-top number - bottom number

Question 4

what is an isotope

Answer 4

an isotope is a version of a gas meaning there is more neutrons

Question 5

what is nuclear decay

Answer 5

when the nucleus of an element is unstable it releases particles or energy to become stable -what is released is called nuclear radiation