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Draw the electronic structures of sodium (proton number) and lithium (proton number). Compare the structures and state one similarity and one difference between them.
Important Questions on Structure of The Atom
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What do you understand by the term electronic configuration? State Bohr-Bury's scheme of electronic configuration.

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(a) Electronic configuration
(b) Number of protons
(c) Atomic number
(d) Valency
(e) Nature whether metal or non-mental
(f) Name.

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