Deadra568 Deadra568

21-05-2014
Biology

contestada

What element has 81 protons in the nuclei of its atoms?

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alishahobbsx alishahobbsx

21-05-2014

Tl = thallium

look at the periodic table look for element number 81 on the periodic table and that's TI

It's mass number is 204.38

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