In The Electric Kool-Aid Acid Test, the journalist broke free of his contrarian clichés to illuminate the origins of 1960s ...

Uranium holds the 92nd position on the periodic table, and it is a radioactive, metallic element. Radioactivity is a natural ...

The periodic table, first invented by Dmitri Mendeleev in 1869, groups the 118 known chemical elements according to their chemical properties.

Fact checked by Sarah Scott Looking for a new way to tackle your teen’s boredom? We’ve put together a collection of trivia questions for teens that are the perfect solution for ditching the phones and ...

Silicon is a primordial element, created during the Big Bang or by nuclear fusion during a supernova. It's the eighth most abundant element in the observable Universe, but the third most abundant on ...

Discover who created the periodic table of elements and how it works. Learn about Dmitri Mendeleev’s contributions, its structure, and why it’s essential for science.

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, atomic weight and the broad group they live in.

The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri Mendeleev. It arranges all natural and synthetic elements by their atomic ...

The periodic table currently has 118 chemical elements (SN: 11/30/16). The five heaviest elements were all produced using a beam of calcium-48. That’s a variety, or isotope, of calcium with 28 ...

Modern Periodic Table: This article will elaborate on the periodic table and its characteristics. Read here to learn the key features, history, list of elements and easy tricks to remember the ...