Mercury
Define: Mercury is transition metal. Place in between cadmium and Copernicium .it is also known as quick silver. It is found in liquid form. In all type of food contain small amount of mercury .it is found in earth crust in uncombined formed It conduct heat and electricity
Discovery : it is discovered from ancient times
Origin of name :the name mercury is gives after planet Mercury
Physical properties :
Atomic symbol: Atomic symbol of mercury is Hg
Atomic number : Atomic number of mercury is 80
In mercury 80 proton and 80 Electron is present
Atomic weight/ mass: atomic weight of mercury is 200.59
Position : it is place in periodic table at 6th period ( row ) and 12th group ( column )
Block : mercury is place in d block
Colour :mercury show silver colour
Nature : it is present in liquid form
Boiling point : boiling point of mercury is 356.6 0C
Melting point : melting point of mercury is -38.8 0C
Isotopes:
Mercury show 7 stable isotopes
196Hg: atomic weight of this isotope is 195.9 Amu
In this isotope 80 proton and 116 neutron is present
It is present 0.15% in nature
198Hg: Atomic weight of this isotope is 197.9 Amu
In this isotope 80 proton, 80 Electron and 118 neutron is present
It is present 9.97 % in nature
199Hg: Atomic weight of this isotope is 198.9 Amu
In this isotope 80 proton, 80 Electron and 119 neutron is present
It is present 16.8 % in nature
200Hg: atomic weight of this isotope is 199.9 Am
In this isotope 80 proton, 80 Electron and 120 proton is present
It is present 23.1 % in nature
201Hg: Atomic weight of this isotope is 200.9 Amu
In this isotope 80 proton, 80 Electron and 121 neutron is present
It is present 13.18 % in nature
202Hg: atomic weight of this isotope is 201.9 Amu
In this isotope 80 proton, 80 Electron and 122 neutron is present
It is present 29.8 % in Nature
204Hg: atomic weight of this isotope is 203 Amu
In this isotope 80 proton, 80 Electron and 124 neutron is present
It is present 6.8 % in nature
Chemical properties :
Electronic configuration
Electronic configuration of mercury is [ Xe] 4f14 5d10 6s2
Electronic configuration in concert of shell is 2,8,18,32,18,2
Electronic structure
Valency : valency of mercury is 1 or 2
Atomic radius : Atomic radius of mercury is 171 Pm
Uses:
- Mercury use in vacuum pump
- Mercury use in hat making
- It’s alloy form use in dental feeling
- It is use in thermometer and barometer
- Mercury conduct electricity hence it is use to make silent position dependent switches.
- Mercury use in street light and fluorescent lamp
- It is use in printers and photograph tonner.
- It is mostly use in Electrical switches and rectifiers
- It is use as catalyst in chemical industry.
Question and Answer:
Q1. Define Mercury
Q2. Who discovered Mercury?
Q2. Physical properties of Mercury
Q4. Write Atomic Symbol of Mercury.
Q5. Write the Atomic number of Mercury.
Q6. On which block Mercury element is present?
Q7. What is the color of Mercury?
Q8. What is the Boiling point of Mercury?
Q9. What is the Melting point of Mercury?
Q10. Write the Isotopes of Mercury.
Q11. Show Electronic configuration of Mercury.
Q12. Write Electronic Structure of Mercury.
Q13. What is the Valency of Mercury?
Q14. Write the uses of Mercury element.
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