Where Mendeleev’s table had blank spaces, he correctly predicted the weights and chemical behaviors of some missing elements — gallium, scandium and germanium. 5. Did Mendeleev’s periodic table miss ...

There are 17 rare earth elements (REEs) in all — 15 lanthanides plus yttrium and scandium ... specific category of 17 elements on the periodic table, and rare earth minerals refers to the ...

According to legend, he saw the entire periodic table layout in a dream. During his lifetime, Mendeleev was thrilled to see the discovery of three elements he had predicted—gallium, scandium ...

This collection of 17 metals includes the 15 metallic elements found at the bottom of the periodic table, as well as the elements yttrium and scandium. The most valuable of these are neodymium ...

Rare earths are the world’s most in-demand elements. Marco Magrini reports on the battle for their future — and ours ...

The U.S. and Ukraine have agreed on the terms of a draft minerals deal central to Kyiv's push to win Washington's support as President Donald Trump seeks to rapidly end the war with Russia, two ...

there has been no doubt as to what place they ought to occupy in the Periodic Table. When scandium was first isolated in 1879 it was recognized immediately as the element eka-boron whose ...

The elements of the periodic table are defined by the number of protons ... elements were discovered and the gaps were filled with scandium, gallium and germanium. But there remained a missing ...

Today, the researcher reports the first step toward an interactive, musical periodic table. The researcher will ... released by the elements, such as scandium," says Smith. "They were gorgeous ...