What is an atom ? Give symbols for the atoms of the following elements:
Aluminium, sodium, potassium, gold, cadmium.
Atom is the ultimate smallest particle of an element that maintains its chemical identity throughout all chemical and physical changes.
ATOM | SYMBOL |
---|---|
Aluminium | Al |
Sodium | Na |
Potassium | K |
Gold | Au |
Cadmium | Cd |