Page 229 - ICSE Chemistry 8
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Separation of Mixtures
Solid-Solid Solid-Liquid Liquid-Liquid
Mixtures Mixtures Mixtures
Fractional
Handpicking Sedimentation and decantation
distillation
Sieving Filtration
Using separating
Winnowing Centrifugation
funnel
Magnetic separation Evaporation
Sublimation Distillation Chromatography
Gravitation Crystallisation
4. ATOMIC STRUCTURE
Atoms
Protons Neutrons Electrons
Positively Neutral in Negatively
charged charge charged
Discovered by Discovered by Discovered by
Goldstein Chadwick Thomson
Total Number Electrons
Number of protons
of protons and distributed in
present is equal to
neutrons is equal to various shells K, L,
atomic number
mass numbers M, N, ........
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