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the part of polymerisation where monomers are continually added to form a longer and longer polymer chain.
Système International dâUnités. Internationally agreed coherent system of units: distance in...
every orbital can hold a maximum of two electrons, and these electrons have opposite spin.
reactions that raise the temperature of the surroundings by liberating energy
types of chemical âunitsâ â could be atoms, molecules, molecular fragments, simple or...
a bond formed when non-metal atoms share a pair of valence electrons to form a molecule.