Their uses depend on their inertness, low density and non-flammability. Sample exam questions - groups in the periodic table - Edexcel Understanding how to approach exam questions helps to boost ...

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 ...

The questions in this quiz are suitable for GCSE chemistry students studying the physical and chemical properties of group 0 elements (noble gases), group 1 elements (alkali metals) and group 7 ...

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, ...

The present paper deals with the question how `finite' can here be relaxed to `locally finite', `of finite exponent', or `periodic'. An example shows that two locally finite groups of finite exponent, ...