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nitrogen (N), phosphorus (P) and potassium (K)
a reaction in which heat is absorbed from the surroundings and the temperature of the reaction...
states that the p, d and f orbitals can only take on a second electron when all the equivalent...
heterogeneous mixture of solid particles mixed with a liquid. The solid does not dissolve in the...
the introduction of halogen atoms into a compound by addition or substitution.
the sum of the relative atomic masses of the elements that make up the molecule.