Elements in group 1 and group 2 are metals. Atoms of group 1 elements ... See the study guide on groups in the periodic table for more information.

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

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 ...

such as metals or gases, while also giving each individual element its own chemical symbol. In this periodic table of ...

This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

There are currently 118 known elements on the periodic table, and we've put 20 of them below to create a brain game that ...

For the last fifty or so years, the periodic table has been incomplete. Elements after uranium on the periodic table have been synthesized for the past few decades, but there were always a few ...

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 ...

Ram Mohan looks at how bismuth — a remarkably harmless element among the toxic heavy metals in the periodic table — has sparked interest in areas varying from medicinal to industrial chemistry.

In 1869, Mendeleev's first periodic table did not include them ... But Ramsey established their position between halogens and alkali metals, and was awarded the Nobel Prize in Chemistry in ...

During the process, they discovered something unexpected about this particular f-block element on the periodic table that could help us understand transuranium elements more broadly as well as ...