The Atom

Shane Buckley
Mind Map by Shane Buckley, updated more than 1 year ago
Shane Buckley
Created by Shane Buckley over 6 years ago
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Junior Certificate Chemistry Mind Map on The Atom, created by Shane Buckley on 11/12/2013.
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The Atom
1 Sub-Atomic Particles
1.1 Proton
1.1.1 In the nucleus
1.1.2 1.a.m.u
1.1.3 +1
1.2 Neutron
1.2.1 1 a.m.u
1.2.2 In the nucleus
1.2.3 0
1.3 Electron
1.3.1 1/1840 a.m.u
1.3.2 Orbiting the nucleus
1.3.3 -1
2 The atomic number of an atom is the number of protons it has in it's nucleus
2.1 Mass number = number of protons + neutrons
3 Isotopes are atoms of the same element, which have different numbers of neutrons
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