Khaled's Revision Guide - Chemistry
Sunday, 21 February 2016
1.10 recall the relative mass and relative charge of a proton, neutron and electron
Relative Charge:
Proton: +1
Neutron: 0
Electron: -1
Relative Mass:
Proton: 1
Neutron: 1
Electron: 1/1836 or 1/2000
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