Silver

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

Isotopes:

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

Electronic configuration of silver is [kr] 4d10 5S1

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

Electronic structure

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

Uses:

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.

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