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 ...

Do you know what element Ar is? Ar is Argon. Argon is a colorless and odorless gas that is present in a very small part of ...

Sometimes it is easy to tell which element a symbol stands for. For example, C stands for carbon and Li stands for lithium. But sometimes the symbol comes from a name for the element that is not ...

Atoms are the building blocks of everything. Atoms can form strong bonds with each other, making molecules. Symbols and formulae Letters from the alphabet are used to represent chemical elements.