The noble gases were one of the last groups of elements to be discovered. From helium balloons to light bulbs, these gases have many uses in the world around us.
- The noble gases are found in Group 8 of the periodic table.
- The noble gases are non-metals, unreactive, and have low boiling points.
- The noble gases have a full outer shell of electrons and are therefore stable.
- The relative atomic mass of the noble gases increases down the group.
When Russian scientist Dmitri Mendeleev produced the very first periodic table, there was one group of elements missing – an entire class of six elements he didn't even know existed.
The last group – group 8 – was also the last to be discovered.
Also known as Group 0
It was Scottish ...
Please log in to view and download the complete transcript.