Bohrium ( Bh ) :
Define: Bohrium is Transectinide metal .it is place below Rehniumelement .it is radioactive element . And toxic in nature. It is man made element and transuranic. It is produce by cold fusion method in very small amount.
Discovery : it is discovered in 1981 by scientist Peter Armbruster , Gottfried .
Origin of name : the name Bohrium gives on the honour of Danish atomic Physicist Neil’s Bohr
Physical properties :
Atomic symbol: Atomic symbol of Bohrium is Bh
Atomic number : Atomic number of Bohrium is 107
In Bohrium 107 proton and 107 electron is present
Atomic weight/ mass: Atomic weight of Bohrium is 272 Amu
In Bohrium 107 proton and 165 electron is present
Position : it is place in periodic table at 7thperiod ( row ) and 7th group ( column )
Block : it is place in d block
Colour : Bohrium show silvery colour
Nature : Bohrium show solid form
Boiling point :boiling point of Bohrium is didn’t know
Melting point :Melting point of Bohrium is didn’t know
Isotopes:
- 272Bh: atomic weight of this isotope is 272.13 Amu
In this isotope 107 proton ,107 electron and 165 neutron is present
Chemical properties :
Electronic configuration
Electronic configuration of Bohrium is [ Rn ] 5f14 6d5 7s2
Electronic configuration in concert of shell is 2,8,18,32,32,13,2
Electronic structure
Valency :valency of Bohrium is 7 or 6 or 5 or 4
Atomic radius : Atomic radius of Bohrium is 128 Pm
Uses:
- it is use only in research purpose.
Question and Answer:
Q1. Define Bohrium
Q2. Who discovered Bohrium?
Q2. Physical properties of Bohrium
Q4. Write Atomic Symbol of Bohrium.
Q5. Write the Atomic number of Bohrium.
Q6. On which block Bohrium element is present?
Q7. What is the color of Bohrium?
Q8. What is the Boiling point of Bohrium?
Q9. What is the Melting point of Bohrium?
Q10. Write the Isotopes of Bohrium.
Q11. Show Electronic configuration of Bohrium.
Q12. Write Electronic Structure of Bohrium.
Q13. What is the Valency of Bohrium?
Q14. Write the uses of Bohrium element.