VOA-Sparrow Clinic The VOA-Sparrow Clinic is a collaboration between Volunteers of America and Sparrow Hospital, providing both physical and mental health care to the homeless in the Lansing area. Their location is 430 N Larch in Lansing.
Answers. Best Answer: Proposed to be an element by Carl Wilhelm Scheele in 1774, manganese was discovered by Johan Gottlieb Gahn, a Swedish chemist, by heating the mineral pyrolusite (MnO2) in the presence of charcoal later that year.
History of Vanadium Vanadium was thought to have been first discovered in 1801 by Spanish scientist Andres Manuel del Rio, but he discovered chromium in brown lead ore. In 1831, Nil Gabriel Selfstrom, a Swedish scientist, discovered Vanadium in iron ore. Citations http://www.chemicalelements.com/elements/v.html https://pubchem.ncbi.nlm.nih.gov/compound/vanadium#section=Stability http://www.chemistryexplained.com/elements/T-Z/Vanadium.html http://www.rsc.org/periodic-table/element/23/vanadium