The high relative abundance of these tellurium isotopes ... tellurium is 52 and the atomic number of iodine is 53, so these elements are in the correct order in the modern periodic table.

Another thing these countries have in common is an abundance of critical and rare earth minerals ... NORTHAM: Rare earth are ...

The European Chemical Society has designed this special version of the periodic table, showing the relative abundance and scarcity of different elements, and which ones are used in mobile phones. Find ...

such as the high abundance of small planets over large planets and a tendency for giant planets to only form around stars enriched in heavy elements such as oxygen, carbon and iron. The finding ...