Electron configuration

Do you have any questions about

a) The rules of electron configuration
b) The filling order?

If that is the case, please send your question; I'll be glad to help you.

Bohr's atomic model - Planck equation - Line spectra

Do you have any questions about

a) Bohr's atomic model
b) The energy of a photon
c) Interpretation of line spectra?

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Rutherford - Atomic number - Mass number - Isotopes

Do you have any questions about

a) Rutherford's atomic theory?
b) Atomic number, mass number, charge
c) Average atomic mass
d) Isotopes?

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Dalton - Classification of Matter

Do you have any questions about a) The atomic theory of Dalton b) Classification of matter c) The atomic theory of Thomson?

If that is the case, please send your question; I'll be glad to help you.