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small electrical cells such as those in watches, pacemakers, hearing aids and calculators.
the theory of acids and bases which defines an acid as a proton donor and a base as a proton...
a molecule that has a partial negative charge at one end and a partial positive charge at the...
the isotope of hydrogen that contains two neutrons.
a halogen atom (F, Cl, Br or I) reacts by addition reaction with alkenes
the maximum height of the troposphere.