Take a look at the periodic table and you’ll find that almost all the elements up to the atomic number 94 occur on Earth in relatively decent amounts. In addition, nuclear physicists can prepare ...

Why did gold—and not osmium, lithium, ruthenium or any other element—become the one we humans use as money? Sanat Kumar, a chemical engineer at Columbia University, goes through the periodic table and ...

EVERYONE knows that ancient alchemists were obsessed with making gold. They never cracked it. Everyone knows that too. But here’s something not a lot of people know: thousands of years later, we still ...

Creating mnemonic phrases can help you remember the order of elements, especially for the first 20 elements or specific groups. These phrases are general and are available on other free online sources ...