Silver ( Ag ):
Define: Silver is metal place between copper and gold . It is soft in nature . Silver is more malleable and ductile than gold . It is also conduct electricity and heat. Silver show anti bacterial properties to kill bacteria in small amount .
Silver is found in earth crust in the form of argentite ore.
It show shiny and lustrous form structure
It is called as coinage metal . It is harder than gold
Discovery : silver is found in nature from ancient times
Origin of name :. The name is derived from Anglo – Saxon name ‘ siolfur’
Physical properties :
Atomic symbol: it is denoted by symbol Ag
Atomic number : atomic number of silver is 47
In silver 47 proton and 47 electron is present
Atomic weight/ mass: : atomic weight of silver is 107.87
In silver 47 proton and 60 neutron is present
Position : silver is place in periodic table at 11th group and 5th period
Block : it is place in d block
Colour :it show silvery grey colour
Nature : silver is found in nature at solid state
Boiling point :. Boiling point of silver is 21620C
Melting point :melting point of silver is 9610C
Silver show 2 stable isotopes
107Ag: atomic weight of this isotope is 106.9 Amu
In this isotope 47 proton ,47 electron and 60 neutron is present
It is present 51.8 % in nature
109Ag: atomic weight of this isotope is 108.9 Amu
In this y 47 proton, 47 electron and 62 neutron is present
It is present 48.1 % in nature
Chemical properties :
Electronic configuration of silver is [kr] 4d10 5S1
Electronic configuration in concert of shell is 2,8,18,18,1
Valency :silver show valency is 1
Atomic radius : atomic radius of silver is 165 Pm
Reactivity : silver does not react with many element . It is inactive metal . It is slowly react with sulphur compounds
Silver is use to make mirror . It is act as best refractor
It is also use in photography because bromide and iodide form are sensitive to light
It is also use to make jewellery
Silver is use in dental alloy
It is also use to make currency and coins
It is use in musical instruments
Silver is use in table ware and flatware
It is mainly use in aircraft.
Question and Answer:
Q1. Define Silver
Q2. Who discovered Silver?
Q2. Physical properties of Silver
Q4. Write Atomic Symbol of Silver.
Q5. Write the Atomic number of Silver.
Q6. On which block Silver element is present?
Q7. What is the color of Silver?
Q8. What is the Boiling point of Silver?
Q9. What is the Melting point of Silver?
Q10. Write the Isotopes of Silver.
Q11. Show Electronic configuration of Silver.
Q12. Write Electronic Structure of Silver.
Q13. What is the Valency of Silver?
Q14. Write the uses of Silver element.