The Periodic Table, first compiled by Russian chemist Dmitri ... The elements are then arranged in order of increasing atomic numbers. Hydrogen (H), for example, only has one proton, and is ...

On the periodic table, metals are found on the left and in the middle, and non-metals are on the right. A zig-zag line divides them. In most periodic tables hydrogen (H) is shown separately but is ...

Forget 10 Downing Street or 1600 Pennsylvania Avenue, the most prestigious address in the universe is number one in the periodic table, hydrogen. In science, simplicity and beauty are often equated - ...

At the heart of our biological composition are four elements: oxygen (O), carbon (C), hydrogen (H) and nitrogen (N ... These are almost one-quarter of the periodic table and are mainly found ...

You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. Element 103 in the periodic table is called lawrencium. It was first ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract ... with a large difference indicating a polar covalent bond (e.g., H-F bond ...