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(1) What is the symbol of mass 39.09831?
(2) What is the symbol of mass 10.81?
(3) What is the symbol of mass 26.98153857?
(4) What is the symbol of mass 39.9481?
(5) What is the symbol of mass 20.17976?
(6) What is the symbol of mass 32.06?
(7) What is the symbol of mass 6.94?
(8) What is the symbol of mass 28.085?
(9) What is the symbol of mass 40.0784?
(10) What is the symbol of mass 35.45?