Elemental Symbols
How are elements given symbols?
Chemical symbols can be one or two letters. The first
letter is always a capital case and the second letter is
always a small case. Some symbols are taken from the
Latin or German names of elements.
Na = sodium, K = potassium, Fe = iron, Cu = copper, Ag
= silver,  Sn = tin, Sb = antimony, W = tungsten,
Au = gold, Hg = mercury, Pb = lead