Ytterbium :
Define- Ytterbium is inner transition metal place at 14th number in lanthanide series. It is penultimate element in lanthanide series. It is low toxic in nature it is present in earth crust in the form of monazite minerals . It is obtained from minerals by ion exchange and solvent extraction process.
Discovery : ytterbium is discovered in 1878 By scientist Jean Charles GallissardMarignac
Origin of name : the name ytterbium after ytterby , Sweden
Physical properties :
Atomic symbol: it is denoted by symbol Yb
Atomic number : atomic number of yttrium is 70
In yttrium 70 proton and 70 Electron is present
Atomic weight/ mass: Atomic weight of Yttrium is 168.9
In yttrium 70 proton and 103 neutron is present.
Position: it is place in lanthanide group and 6th row ( period)
Block : ytterbium place in f block
Colour :ytterbium show silver colour
Nature : ytterbium found in solid state
Boiling point :boiling point of ytterbium is 1196 0C
Melting point :melting point of Ytterbium is 824 0C
Isotopes: ytterbium show 7 stable isotopes
168Yb : atomic weight of ytterbium is 167.9 Amu
In this isotope 70 proton,70 Electron and 98 neutron is present
It is present 0.12 % in nature
170Yb: atomic weight of this isotope is 169.9 Amu
In this isotope 70 proton, 70 Electron and 100 neutron is present
It is present 2.98% in nature..
171Yb : atomic weight of this isotope is 170.9 Amu
In this isotope 70 proton, 70 Electron and 101 neutron is present
It is present 14.09 % in nature
172Yb: atomic weight of this isotope is 171.9 Amu .
In this isotope 70 proton, 70 Electron and 102 neutron is present
It is present 21.68% in nature
173Yb.: Atomic weight of this isotope is 172.9 Amu
In this isotope 70 proton, 70 Electron and 103 neutron is present
It is present 16.10% in nature
174Yb: atomic weight of this isotope is 173.9 Amu
In this isotope 70 proton 70 Electron and 104 neutron is present.
It is present 32.03% in nature.
176Yb: atomic weight of this isotope is 175.9 Amu
In this isotope 70 proton, 70 Electron and 106 neutron is present.
It is present 13% in nature.
Chemical properties :
Electronic configuration
Electronic configuration of ytterbium is [ Xe ] 4f 146s2
Electronic configuration in concert of shell is 2, 8 18,32,8,2
Electronic structure
Valency :Valency of ytterbium is 2 or 3
Atomic radius : Atomic radius of ytterbium is 222 Pm
Uses:
Ytterbium is use to make memory device.
It is use to make tuneable laser .
Ytterbium is act as industrial catalyst
Ytterbium is use in stainless steel to improve mechanical properties
It is use an amplifier.
Ytterbium- 169 isotope use in nuclear medicine for the study of brain cerebrospinal fluid
Ytterbium is also found in atomic clock
Ytterbium – 169 isotope is use in radiation source in portable x – ray machine
It is use an doping agent in fibre optic cable.
Ytterbium is help to convert infrared energy to electrical energy in solar cell.
Question and Answer:
Q1. Define Ytterbium
Q2. Who discovered Ytterbium?
Q2. Physical properties of Ytterbium
Q4. Write Atomic Symbol of Ytterbium.
Q5. Write the Atomic number of Ytterbium.
Q6. On which block Ytterbium element is present?
Q7. What is the color of Ytterbium?
Q8. What is the Boiling point of Ytterbium?
Q9. What is the Melting point of Ytterbium?
Q10. Write the Isotopes of Ytterbium.
Q11. Show Electronic configuration of Ytterbium.
Q12. Write Electronic Structure of Ytterbium.
Q13. What is the Valency of Ytterbium?
Q14. Write the uses of Ytterbium element.