Boron has two stable isotopes, `.^(10)B(19%)` and `.^(11)B(81%)`. The atomic mass that should appear for boron in the periodic table is

B has two isotopes 10B (19%) and 11B( 81%) . What is the atomic mass of B .

Broron has two stable isotopes, ._(5)^(10)B and ._(5)^(11)B . Their respective masses are 10.01294 u and 11.00931 u, and the atomic mass of boron is 10.811 u. Find the abundances of ._(5)^(10)B and ._(5)^(11)B .

(a) Two stable isotopes of lithium ""_(3)^(6)Li and ""_(3)^(7)Li have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u, respectively. Find the atomic mass of lithium. (b) Boron has two stable isotopes, ""_(5)^(10)B and ""_(5)^(11)B . Their respective masses are 10.01294 u and 11.00931 u, and the atomic mass of boron is 10.811 u . Find the abundances of ""_(5)^(10)B and ""_(5)^(11)B .

(a) Two stable isotopes of lithium ""_(3)^(6)Li and ""_(3)^(7)Li have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u, respectively. Find the atomic mass of lithium. (b) Boron has two stable isotopes, ""_(5)^(10)B and ""_(5)^(11)B . Their respective masses are 10.01294 u and 11.00931 u, and the atomic mass of boron is 10.811 u . Find the abundances of ""_(5)^(10)B and ""_(5)^(11)B .

(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 11.00931 u, and the atomic weight of boron is 10.81 u. Find the abundances of ._5B^(10) and ._5B^(11) .

(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 11.00931 u, and the atomic weight of boron is 10.81 u. Find the abundances of ._5B^(10) and ._5B^(11) .

The element, boron has two isotopes ( ""^(10)B and ""^(11)B ). Calculate the natural abundance o the isotopes of boron if the atomic mass of the element be 10.8.