Lithium (Z=3) has two stable isotopes `^6Li`and `^7Li`.When neutrons are bombarded on lithium sample electrons and `alpha` -particles are ejected.Write down the nuclear processes taking place.

Lithium (Z=3) has two stable isotopes Li^6 and Li^7 .When neutrons are bombarded on lithium sample electrons and alpha -particles are ejected.Write down the nuclear processes taking place.

A neutron is absorbed by "_3^6Li nucleus with the subsequent emission of an alpha-particl e .Write down the corresponding reaction.

When ._(3)^(7)Li nuclei are bombarded by protons, and the reusltant nuclei are ._(4)^(8)Be , the emitted particle will be

Lithium atom has atomic mass 6 and has 3 protons in it nucleus. How many neutrons does it have? Write down its electronic configuration.

When _(3)Li^(7) nucleii are bombarded by protons , and the resultant nucleii are _(4)Be^(8) , the emitted particle will be

When _(3)Li^(7) nuclei are bombarded by protons , and the resultant nuclei are _(4)Be^(8) , the emitted particle will be

When ._(3)Li^(7) nuclei are bombarded by protons , and the resultant nuclei are ._(4)Be^(8) , the emitted particle will be

(a) Two stable isotope of ._3Li^6 and ._3Li^7 have respective abundances of 7.5% and 92.5% . These isotopes have masses 6.01512 and 7.01600 u respectively. Find the atomic weight of lithium. (b) Boron has two stable isotopes ._5B^(10) and ._5B^(11) . Their respective masses are 10.01294 u and 11.00931u, and the atomic weight of boron is 10.81u. Find the abundaces of ._5B^(10) and ._5B^(11) .