|table of elements in study of chemistry||0.08||0.6||6390||28|
From organic chemistry: Ac: acetyl - (also used for the element actinium: see above) Ad: 1- adamantyl All: allyl Am: amyl ( pentyl) - (also used for the element americium: see above) Ar: aryl - (also used for the element argon: see above) Bn: benzyl Bs: brosyl or (outdated) benzenesulfonyl More items...How many elements are in chemistry?
A chemical element is a type of atom, like hydrogen or oxygen. As of 2011, 118 elements had been observed, with 98 of these occurring naturally on Earth. 20 elements are artificially created in nuclear reactors or particle accelerator experiments.