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An atom is a unit of matter made up of…
Atoms are the smallest particle of an element and the basic unit of matter. True or false?
What is the overall charge of an atom?
What is the relative charge of an electron?
What is the structure at the centre of the atom called?
What is the correct definition of Dalton’s atomic theory?
Different elements have different masses. True or false?
What charge does a proton have?
What charge does a neutron have?