Element in life processes

Elements occurring in living organisms. These include those that are necessary for life (bioelements), neutral elements and those that have a toxic effect.

Hydrogencolorless gas (H₂)

Carbonblack, metallic-looking (graphite); clear (diamond)

Nitrogencolorless gas, liquid or solid

Oxygencolorless (gas); pale blue (liquid and solid)

Fluorinevery pale yellow (gas); bright yellow (liquid); alpha is opaque, beta is transparent (solid)

11Na

Sodiumsilvery white metallic

12Mg

Magnesiumshiny grey solid

15P

Phosphoruswhite, red and violet are waxy, black is metallic-looking

16S

Sulfuryellow sintered microcrystals

17Cl

Chlorinepale yellow-green gas

19K

Potassiumsilvery white, faint bluish-purple hue when exposed to air

20Ca

Calciumdull gray, silver; with a pale yellow tint

23V

Vanadiumblue-silver-grey metal

24Cr

Chromiumsilvery metallic

25Mn

Manganesesilvery metallic

26Fe

Ironlustrous metallic with a grayish tinge

27Co

Cobalthard lustrous bluish gray metal

28Ni

Nickelglänzend, metallisch, silbrig

29Cu

Copperred-orange metallic luster

30Zn

Zincsilver-gray

34Se

Seleniumgrey metallic-looking, red, and vitreous black allotropes

35Br

Brominereddish-brown

42Mo

Molybdenumgray metallic

53I

Iodinelustrous metallic gray (solid); black/violet (liquid); violet (gas)

74W

Tungstengrayish white, lustrous

H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og