Symbol: A one or two-letter abbreviation used to represent the element. Atomic number: The number of protons in the nucleus of an atom of the element. These rules help in identifying and writing ...

Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...

This is made of aluminium. Aluminium is an element. Now, each element has a chemical symbol made of one or two letters. Cal: Right, OK. And what is the chemical symbol for aluminium? Mrs Roberts ...