Sample exam questions - groups in the periodic table - Edexcel Understanding how to approach exam questions helps to boost exam performance. Question types will include multiple choice ...

The table is divided into rows called periods and columns called groups or families. Mendeleev’s work Here is a list of periodic table elements with their names, symbols, atomic numbers ...

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 ...