GCSE Chemistry 1: Why did some elements, like tellurium, appear to have higher atomic masses than expected based on their position in the periodic table?

Question

Why did some elements, like tellurium, appear to have higher atomic masses than expected based on their position in the periodic table?

daavide · Accepted Answer

Some elements had abundant heavier isotopes, which increased their average atomic masses and caused discrepancies in their positioning in the periodic table.

GCSE Chemistry 1

Why did some elements, like tellurium, appear to have higher atomic masses than expected based on their position in the periodic table?

Some elements had abundant heavier isotopes, which increased their average atomic masses and caused discrepancies in their positioning in the periodic table.

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