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Define electronegativity. level.
(2005)
What are isotopes?
The octane number of a fuel is described as a measure of the tendency of the fuel to cause knocking, or as a measure of the tendency of the fuel to resist auto-ignition
Examine the reaction scheme and answer the questions which follow.
Define (i) acid, (ii) base, according to the Brønsted-Lowry theory.
