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Atomic Structure - Coggle Diagram
Atomic Structure
The atom
they are the basic units of matter and the defining structure of elements.
Elements in the atoms
protons (positively charged)
electrons (negatively charged)
neutrons (no charge)
they are not orbits they are energy levels
energy levels
1 - s
2 - s p
3 - s p d
4 - s p d f
number of orbitals
s - 1
p - 3
d - 5
f - 7
Theories and models of the atoms
Plum pudding model- J.J Thomson - 1904
Nuclear Mode - Ernest Rutherford - 1911
solid sphere model - John Dalton - 1803
Planetary Model - Niels Bohr - 1913
Quantum Model - Edwin Schrödinger - 1923
