the arrangement of electrons in the different orbitals in an atom.
oxidising agent.
a group of elements that are non-reactive, monatomic gases (Group 0, 8 or 18).
a molecule containing anything from thousands to hundreds of millions of atoms per molecule, a...
100 000 N per square metre. A pressure of 1 N · m2 is called one pascal (Pa).
the amount of products that are formed in a chemical reaction when all the reactants react and...
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