Copper has been used by humans for as much ... The zigzag, staircase, line in the diagram of the periodic table above separates the metals, on the left, from non-metals, on the right.

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 ...

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 ...

Click on the images below to automatically tweet the element infographics. Download the PDFs to make your own wall displays or education resources. We've also created a range of IYPT-themed, ...

Bismuth, the 83rd element in the periodic table, has been known since ancient ... It is commonly obtained as a by-product in copper, lead and tin mining, and is therefore relatively inexpensive ...

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 ...

In a press release, co-author Dr. Chow stated, “This finding suggests that unconventional high-temperature superconductivity is not exclusive to copper but could be a more widespread property among ...

Engineers have designed and synthesized a groundbreaking new material -- a copper-free superconducting oxide -- capable of superconducting at approximately 40 Kelvin, or about minus 233 degrees ...