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 ...

Mendeleev discovered the periodic table (or Periodic System ... And over the next 15 years, three of these elements were discovered and Mendeleev’s predictions shown to be incredibly accurate. The ...

Elements after uranium on the periodic table have been synthesized for the ... Researchers at these three laboratories will propose names and atomic symbols for these three elements.

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 ...

That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...

Niba of SciShow explained how many Periodic Table elements actually exist in the human body and how these elements work to ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

We all had different favorite subjects at school that we wanted to have more classes in. Chemistry is a controversial one ...

The periodic table captures a subtle pattern ... Lithium, for example, with an atomic number of 3, is a reactive metal — just like sodium (element number 11) and potassium (number 19).

and all the elements in group 0 are unreactive non-metals. The zigzag, staircase, line in the diagram of the periodic table above separates the metals, on the left, from non-metals, on the right.