PlatinumThese are its chemical properties. What is it used for?PlatinumSymbol: PtAtomic number: 78Atomic mass: 195,084Group 10 - transition metalIt was discovered by Julius Scaliger in 1735.StructureNumber of electrons: 78Number of protons: 78Number of neutrons: 117Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d9 6s1Physical properties1) It is a solid metal (at room temperature)2) Color: steel gray to dark gray, shiny3) malleable4) ductile5) Melting point: 3214 °F=1768 °C6 ) Boiling point: 6917 °F=3825 °C7) Insoluble in water8) Good electrical and thermal conductorChemical properties1) Ions: Pt+2, Pt+4, Pt+1, Pt+32) non-corrosive metal - does not can be corroded only by halogens, cyanides or sulfur.3) non-toxic4) tarnish resistant5) Synthesis reactionPt+3F2=PtF66) Single replacement reactionPt+NaCl=PtCl+Na7) Decomposition reactionPtI=Pt+I28) Reaction with air - none9) Reaction with 3 M HNO3 - none10) Reaction with 6 M HCl - none11) Reaction with 6 M NaOH - none...