Content-Type image/gif
Content-Length 436.69 kB
Size 512x512
#12 Magnesium - rarity BROWNIAN-MANIACS
1st ionization energy 7.646 eV 0.85%
appearance Shiny grey 0.85%
atomic mass 24.305 u 0.85%
atomic number 12 0.85%
atomic radius 173 picometers (van der Waals radius) 0.85%
boiling point 1363 K or 1091 °C or 1994 °F 0.85%
cas number 7439-95-4 0.85%
cas number of (cl2) - 99.15%
category Alkaline earth metals 5.08%
crystal structure HCP (Hexagonal close packing) 6.78%
density 1.74 g/cm3 0.85%
electronegativity 1.31 (Pauling scale) 0.85%
electronic configuration [Ne] 3s2 0.85%
electrons 12 0.85%
electrons arrangement 2, 8, 2 0.85%
main isotopes 24Mg 0.85%
melting point 923 K or 650 °C or 1202 °F 0.85%
neutrons 12 1.69%
position Group: 2, Period: 3, Block: s 0.85%
rarity BROWNIAN-MANIACS 33.33%
state Solid 72.88%
sublimation point - 99.15%
symbol Mg 0.85%
valence electrons 2 7.63%
who discovered Joseph Black in 1755 0.85%

Total Rarity Score: 2118.92

Rarity: #17/354

Magnesium

Collection: Bohring Atoms