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 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 ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...