Europium:
Europium is inner transition metal place at 6th number lanthanide series. It is low toxic in nature . It is found in earth crust in the form of monazite and bastnaesite minerals . Europium is most reactive element it is stored in inert fluid for the protection of air and moisture.
Discovery :. Europium is discovered in 1901 by scientist Eugene Anatole Demarcy
Origin of name :. The name is derived from the europium name after Europe
Physical properties :
Atomic symbol: it is denoted by symbol Eu
Atomic number : atomic weight of europium is 63
In europium 63 proton and 63 electron is present.
Atomic weight/ mass : Atomic weight of Europium is 151.9 Amu
In europium 63 proton and 89 neutron is present
Position : Europium is place in periodic table at 6tb row ( period)
It is the member of Lanthanide series
Block : europium is place in f block
Colour :Europium show silver Colour
Nature : europium show solid form
Boiling point : boiling point of Europium is 1529 0C
Melting point :melting point of Europium is 822 0C
Isotopes:
Europium show 2 stable isotopes
151Eu: atomic weight of this isotope is 150.9 Amu
In this isotope 63 proton ,63 electron and 88 neutron is present
It is present 47.8% in nature
153Eu: atomic weight of this isotope is 152.9 Amu
In this isotope 63 proton, 63 electron and 90 neutron is present.
It is present 52.1% in nature
Chemical properties :
Electronic configuration
Electronic configuration of Europium is [ Xe] 4f7 6s2
Electronic configuration in concert of shell is 2,8,18,25,8,2
Electronic structure
Valency : Valency of Europium is 2 or 3
Atomic radius : atomic Radius of Europium is 231 pm
Uses:
Europium is use as lasers material with plastics
It is use to make thin superconducting alloy
Europium is use in low energy bulb and it gives blue and red light . It is use in T.V , computer and monitors
It is also use to make nuclear reactor.
Question and Answer:
Q1. Define Europium
Q2. Who discovered Europium?
Q2. Physical properties of Europium
Q4. Write Atomic Symbol of Europium.
Q5. Write the Atomic number of Europium.
Q6. On which block Europium element is present?
Q7. What is the color of Europium?
Q8. What is the Boiling point of Europium?
Q9. What is the MelEuropiumg point of Europium?
Q10. Write the Isotopes of Europium.
Q11. Show Electronic configuration of Europium.
Q12. Write Electronic Structure of Europium.
Q13. What is the Valency of Europium?
Q14. Write the uses of Europium element.
