hellokitty365 hellokitty365

14-02-2017
Biology

contestada

While looking at xenon (Xe) on the periodic table, a student needs to find an element with a smaller atomic mass in the same group. Where should the student look?

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jacobgray90 jacobgray90

21-06-2017

by moving up a group atomic mass decreases

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ejames263530 ejames263530

17-04-2020

I believe it's a directly up

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