CH-1169
Isotopes
Chemistry · Secondary 4 · Easy · Isotopes
A sample of element Z contains two isotopes,
and . Their percentage abundances are 75.0% and 25.0% respectively.
What is the relative atomic mass of Z?
and . Their percentage abundances are 75.0% and 25.0% respectively.
What is the relative atomic mass of Z?
- 28.3
- 28.5
- 29.0
- 29.5
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