Platinum

Platinum:

Define: Platinum is transition metal . It is dense in nature .  It is place in between palladium and Darmstadtium .It show malleable ,ductile properties. It is highly reactive metal and precious. It is non toxic in nature. It is found in earth crust but at moon and meteorites contain more percentage of platinum . It is very expensive metal

Discovery :  platinum is discovered in 1735  in South America and found in Europe around in 1750

Origin of name : the name platinum Is derived from Spanish word ‘ platina ‘

Meaning of this word is little silver

Physical properties :

Atomic symbol: Atomic symbol of platinum is Pt

Atomic number : Atomic number of platinum is 78

In platinum 78 proton and 78 Electron is present

Atomic weight/ mass: Atomic weight of platinum is 195.08 Amu

In platinum 78 proton and 117 neutron is present

Position : it is place in periodic table at 6^th row ( period ) and 10^th column ( group )

Block : it is place in d block

Colour : platinum show silvery grey colour

Nature : Platinum present in solid form in nature

Boiling point : Boiling point of platinum is 3825 ⁰C

Melting point :melting point of platinum is 1768 ⁰C

Isotopes: platinum show 6 stable isotopes

¹⁹⁰Pt: atomic weight of this isotope is 189.9 Amu

In this isotope 78 proton,78 Electron and 112 neutron is present

It is present 0.01% in nature

¹⁹²Pt: atomic weight of this isotope is 191.9 Amu

In this isotope 78 proton, 78 Electron and 114 neutron is present

It is present 0.7 % in nature

¹⁹⁴Pt: atomic weight of this isotope is  193.9 Amu

In this isotope 78 proton, 78 Electron and 116 neutron is present

It is present 32.8 % in nature

¹⁹⁵Pt: atomic weight of this isotope is 194.9 Amu

In this isotope 78 proton, 78 Electron and 117 neutron is present

It is present 33.7 % in nature

¹⁹⁶Pt: atomic weight of this isotope is 195.9 Amu

In this isotope 78 proton, 78 Electron and 118 neutron is present

It is present 25.2% in nature

¹⁹⁸Pt: atomic weight of this isotope is  197.9 Amu

In this isotope 78 proton, 78 Electron and 120 neutron is present

It is present 7.35 % in nature

Chemical properties :

Electronic configuration

Electronic configuration of platinum is [ Xe ] 4f¹⁴ 5d⁹ 6S¹

Electronic configuration in concert of shell is 2,8,18,32,17,1

Electronic structure

Valency : Valency of platinum is 2,3 or 4

Atomic radius : Atomic radius of platinum is 177 Pm

Reactivity : platinum is highly reactive element

Uses:

• Platinum is important in chemotherapy it is use to treat cancer
• It is use to produce strong permanent magnet
• Platinum is use to make laboratory vessel
• It is also use to coat middle nose cones, jet engine ,fuel Nozzle and other device
• Platinum use in dental treatment
• Platinum is use for making spark plug and pacemaker.
• It is use to make computer hard disc and thermocouple and use in Electrical company
• It is use as a catalyst
• It is mostly use to make optical fibber ,glazes , turbine blades and lenses

 

Question and Answer:

Q1. Define Platinum

Q2. Who discovered Platinum?

Q2. Physical properties of Platinum

Q4. Write Atomic Symbol of Platinum.

Q5. Write the Atomic number of Platinum.

Q6. On which block Platinum element is present?

Q7. What is the color of Platinum?

Q8. What is the Boiling point of Platinum?

Q9. What is the Melting point of Platinum?Platinum

Q10. Write the Isotopes of Platinum.

Q11. Show Electronic configuration of Platinum.

Q12. Write Electronic Structure of Platinum.

Q13. What is the Valency of Platinum?

Q14. Write the uses of Platinum element.

 

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