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Platinum Pt. Chris Hall 5/25/10. Atomic number 78 Atomic mass 196.078 amu Boiling point 3825 Degrees Melting point 1768.4 Degree. Density 21.46 grams Most abundant physicals solid Number of protons 78 Number of electrons 78 Number of neutrons 117.
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Platinum Pt Chris Hall 5/25/10
Atomic number 78 • Atomic mass 196.078 amu • Boiling point 3825 Degrees • Melting point 1768.4 Degree
Density 21.46 grams • Most abundant physicals solid • Number of protons 78 • Number of electrons 78 • Number of neutrons 117
Electron configuration [Xe] 4f145d96s1 • Element group 10 • Element period 6 • Element charge –1
Color of element silverish • Odor none • Toxicity if you eat it you could die • Common isotopes pt-188,190,191,192,193,193m,194,195,195m,196,197,197m,198 • It was discovered by Julius Scaliger in 1735.