Platium: It´s Chemical Properties

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Platinum It's chemical properties. What is it used for? Platinum Symbol: Pt Atomic number: 78 Atomic mass: 195,084 Group 10 - transition metal It was discovered by Julius Scaliger in 1735. Structure Number of electrons: 78 Number of protons: 78 Number of neutrons: 117 Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d9 6s1 Physical Properties 1) It is a solid metal (at room temperature) 2) Color: steel-gray to dark gray, shiny 3) malleable 4) ductile 5) Melting point: 3214 °F=1768 °C 6) Boiling point : 6917 °F=3825 °C 7) Insoluble in water 8) Good electrical and thermal conductor Chemical Properties 1) Ions: Pt+2, Pt+4, Pt+1, Pt+3 2) non-corrosive metal - can only be corroded by halogens, cyanides or sulfur. 3) non-toxic 4) resistant to tarnishing 5) Synthesis reaction Pt+3F2=PtF6 6) Single replacement reaction Pt+NaCl=PtCl+Na 7) Decomposition reaction PtI=Pt+I2 8) Reaction with air - none 9) Reaction with 3 M HNO3 - none 10) Reaction with 6 M HCl - none 11) Reaction with 6 M NaOH - none ...

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