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 ...

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The Periodic Table of Elements. Each entry contains the atomic number, chemical symbol, and atomic mass to two decimal places on elements where data is available. Undefined cells contain a space. Row ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can come top in our periodic table quiz. The periodic table of elements is a ...

Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between elements with atomic weights that differed by seven. He called this The Law of ...

Can you believe the periodic table has been around for over 150 years? Take this quiz to see if you can find the elements. What information do we collect from this quiz? The periodic table is a ...

Play this game to learn about lots of different elements in the periodic table. While you're watching, look out for where different elements are found in the periodic table. Mrs Roberts ...

in an attempt to memorise some of the 118 elements. This year, the periodic table of chemical elements celebrates its 150th birthday. As the candles on the cake are lit, it's time to test your ...

Using lasers beams to measure the nuclear radius of isotopes at the end of periodic table. Elements at the end of the ...

Researchers have long been hunting for a way to make the elusive elements more stable so they can be better studied.

An international team led by scientists of GSI/FAIR in Darmstadt, Johannes Gutenberg University Mainz and the Helmholtz Institute Mainz, succeeded in determining the chemical properties of the ...