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

About 99.9% of your typical human body is made of just 11 elements from the periodic table. But hiding in that remaining 0.1% ...

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 ...

An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest for more accurate optical atomic clocks ...

While you're watching, look out for where different elements are found in the periodic table ... trends. The table below shows the melting points of most elements in group 1.

Gethin: And today we're going to be looking at the periodic table. Let's take a look at some Group 1 metals then - also known as alkaline metals. Fran: Group 1 elements are called the alkali metals.