91¶¶Òõ

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91¶¶Òõ

Last updated

4 March 2018

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docx, 207.8 KB

History of Periodic Table

Nucleus

Electrons

Group 1- Alkali metals

Group 7- Halogens

Metals

Superconductors

Transition metals

Water purification

91¶¶Òõt for sulphate ions using barium chloride

91¶¶Òõt for halide ions using silver nitrate

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