|A 2008 periodic table, from The Human Molecule, showing the functional elements in average human molecule (person). |
Triad: Lithium, sodium, potassium.
Triad: Calcium, strontium, barium.
Triad: Chlorine, bromine, iodine.
(a) Non-metallic elements (metalloids): comprised of thirteen substances.
(b) Metals: fifty two bodies which are known as metals; several of which are of very recent discovery, and their propterties are as yet very imperfectly understood.
|The 1869 periodic table invented by Russian chemist Dmitri Mendeleyev.|
“I saw in a dream a table where all the elements fell into place as required”
"Man's body is a chemical formula in operation".
|Description: “distribution of elements essential for life in the periodic table” (2001). |
Bulk elements: H, C, N, O, Na, Mg, P, S, Cl, K, Ca
Trace elements: B, F, Si, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Se, Mo, I
Possibly essential: As, Br, Sr, Cd, Sn, Ba, W
See main: Hmolscience periodic tableIn 2013, Libb Thims made (Ѻ) an “abundance” version of the hmolscience periodic table; thematically similar to the above Sheenan periodic table.
|A periodic table showing radius of each element on the vertical axis (Ѻ) .|