The six naturally occurring noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr ... For the first six periods of the periodic table, the noble gases are exactly the members of group 18.

Space is home to a great many oddities, and even chemistry gets strange out there. In fact, there are even some molecules ...

The noble gases (Helium, Neon, Argon etc ... Unfortunately for Meyer, his work wasn’t published until 1870, a year after Mendeleev’s periodic table had been published. Even after 1870, Meyer and ...

Like all noble ... helium (1895) and radon (1908) and, with Morris Travers, to discover krypton, neon and xenon (1898). It was debated whether the 'inert' monoatomic gases belonged to the periodic ...

Group 0 - the noble gases - Edexcel The group 0 elements ... Sample exam questions - groups in the periodic table - Edexcel Understanding how to approach exam questions helps to boost exam ...

Here are some popular mnemonics to help you remember the first 20 elements of the periodic table: H - Hydrogen He - Helium Li - Lithium Be - Beryllium ...