This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (CNN) — Chemistry textbooks as we know it ...

It has been a key part school chemistry lessons for more than a century, but now the periodic table may need to be redrawn after scientists found a rare element may be very different from originally ...

You know the periodic table that hung on the wall of every science class you took at school? As of today, it’s wrong. Or more precisely, it's inaccurate. One of the biggest changes in decades is set ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. A new element is set ...

Periodic table is an arrangement of all known elements organized on the basis of structure and atomic number. Moving across the periodic table, one finds an increase in the number of protons. Moving ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Chemistry textbooks as we know it are ...

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