Picture this. At 7pm on a weekday evening, a Grade 7 pupil sits at their home study table surrounded by books, a tablet and a pile of printed worksheets.One assignment requires researching a local ...
Rare-earth elements are a set of metallic elements in the periodic table. Chemists usually refer to a group of 17 elements when they use this label: the 15 lanthanides from lanthanum to lutetium, and ...
At a Scottish university, the oldest periodic table of elements was unearthed, dating back just a few years after the concept was first envisioned by Russian chemist Dmitri Ivanovich Mendeleev. In ...
A fun, interactive periodic table that answers the important question: "Can I lick it?" Each element is color-coded based on how safe (or dangerous) it would be to lick it, with humorous tooltips ...