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a measure of the amount of substance per unit volume. Unit: mol.dm-3
states that the p, d and f orbitals can only take on a second electron when all the equivalent...
numbers that are used to keep track of the transfer of electrons during redox reactions.
electrostatic forces of attraction that keep cations and anions together in a crystal lattice...
a special type of ion exchange reaction in which either carbonic acid or sulfurous acid is...
the stratosphere extends from a height of 10 km to 50 km above the surface of the Earth.