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First we have covalent where electrons are shared between two atoms.
then we have ionic where one one atom transfers their electron to another atom. These oppositely charge ions forms a strong electr...

1. You would use chromatography, the different colours have different affinities depending on the solvent you use. So different colours will travel longer than other on your chromatogram (support).2) Y...

bromine + sodium iodide --> sodium bromide + iodineBr₂ + 2NaI --> 2NaBr + I₂ Both bromine and iodine atoms have 7 electrons in their outer shells, a full shell contains 8 elect...

Electrophilic Substitution

pH is a measure of acidity and alkalinity. In fact, pH is a logarithmic scale from 0 to 14, with 0 being acidic and 14 being alkaline. When there is a high concentration of H⁺ ions then the sol...