The periodic table is a letdown in another sense, too: Given all its columns and rows, it looks like it should contain dozens of different types of elements, but there are really only a few.

Discover the history, structure, and importance of the periodic table of elements, ... is an abbreviation chosen to represent an element ("C" for carbon, "H" for hydrogen and "O" for oxygen, etc.).

You know the periodic table that hung on the wall of every science class you took at school? As of today, it’s wrong. Or more precisely, it's inaccurate.

The periodic table is 150 – but it could have looked very different. Through the years, ... with hydrogen at its centre and elements with increasing atomic mass spiralling outwards.

There are currently 118 known elements listed on the periodic table; from hydrogen, which has a single proton in its nucleus, ...

Have students look at the Periodic table of the elements 1–20 they used in lesson 2 to answer the following question: ... Tell students that the rows across on the periodic table are called periods.

Elemental music: Interactive periodic table turns He, Fe, Ca into Do, Re, Mi. Hydrogen has a scale pattern; zinc "sounds like an angelic vocalist singing with vibrato." ...

He started his talk by discussing the first modern periodic table produced in 1869 by Dmitri Ivanich Mendeleev (1834-1907), a Russian chemist who developed the periodic classification of the elements ...

“The result is that the simpler elements, such as hydrogen and helium, sound vaguely like musical chords, but the rest have a more complex collection of sounds,” Smith said in the release.