An unknown element is found to have three naturally occurring isotopes with the following atomic masses (with percentage occurrence in brackets):

What is the symbol of the unknown element?

’n Onbekende element kom voor as drie natuurlike isotope met die volgende atoommassas (met persentasie voorkoms tussen hakies):

Wat is die simbool van die onbekende element?

35.967 (0.337%), 37.9627 (0.063%) and/en 39.9624 (99.600%).