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Chemistry help please

so can you calculate average atomic mass if the percent abundance isn't 100%?
or this question has a typo

August 1, 2012

2 Comments • Newest first

Kazera

tru dat^

Reply August 1, 2012
Omelet

[quote=hippiesrus]Yes lol
Its Called Relative Atomic Mass[/quote]

can you explain?
the numbers are
203.973 1.4%
205.9759 24.1%
207.9766 52.4%
no listed element

Reply August 1, 2012