The periodic table The periodic table is a chart of all ... all react vigorously with water to produce an alkaline solution. Group 7 halogens The Group 7 elements are also known as the halogens.

And this is not to mention the related debates in which some experts argue, rather plausibly, that hydrogen should be placed at the top of the halogen group and helium should be moved to the head of ...

They react with water to produce an alkaline metal hydroxide solution ... Sample exam questions - groups in the periodic table - Edexcel Understanding how to approach exam questions helps to ...