Started 1 month, 3 weeks ago (2009-10-12 14:12:45)
by uxa595
black things are the magnet by the way
Started 2 months, 2 weeks ago (2009-09-15 00:53:15)
by coursework.info
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Started 2 months, 4 weeks ago (2009-09-06 11:04:09)
by dumbgeek
describe protons, neutrons and
electrons in terms of relative charge & relative mass
Code:
Atomic Particle Relative Mass Relative Charge
Proton 1 +1
Neutron 1 0
Electron 0 (nearly) -1
is this correct???>>