Question

what is the mass no of lithium boron fluorine sodium aluminium silicon phosphorus potassium argon calcium and why ?? please give full answer

Answer 1

Mass Number of 

B (Boron) = 10.811 g 

F (Flourine) = 18.9984 g 

Na ( Sodium) = 22.9897 g 

Aluminium (Al) = 26.9815 g

Silicon(Si) = 28 .0855 g 

Potassium(K) = 39.0983 g 

Phosphorus(P) = 30.9738 g

Argon (Ar) = 39.948 g 

Calcium (ca) = 40.078 g