Use the data below to best estimate the average atomic mass of the hypothetical element,
Dc.
Isotope
Mass % Abundance
Dc-20
19.98
Dc-22 21.99
Dc-23
22.99
O 22.01 amu
19.90 amu
O 21.09
23.01 amu
1.10%
94.4%
4.50 %
