Answers

2014-07-23T16:35:45+05:30
Atomic number=25
atomic mass = 54.9380g.mol-1
melting point-1247degree celcius
boiling point=2061degree celcius
isotopes=7
discovered = john gahn in 1774
magnese is a pinkish gray , chemically active element. it is a hard metal or it is very brittle.it is hard to melt but easily oxidised. magnese is a reactive when pure 
and as a powder it will burn in oxygen , it reacts with water {it rusts like iron
}and dissolve in dilute acids.
health effects of magnese :-
fatness
glucose intolerence
blood cloting 
skin problems 
lower cholestrol levels
skelton disorders 
birth effects
change in hair colour 
neurological symptoms

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  • Brainly User
2014-07-23T16:41:16+05:30
Mn(C3H5O3)2·3H2O Pale-red crystals; insoluble in water and alcohol; used in medicine. 
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