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KS3 ATOMS
The structure of Atoms
Question | Answer |
---|---|
What are the three main particles in an atom? | Neutrons, Protons and Electrons |
Which two sub-atomic particles are found in the nucleus of an atom? | Protons and Neutrons |
Which sub-atomic particles orbit around the nucleus? | Electrons |
Which sub-atomic particles are negatively charged? | Electrons |
Which sub-atomic particles carry a positive charge? | Protons |
What do we call an atom which has lost or gained electrons? | an ion |
What type of charge do protons have? | Positive |
What type of charge do neutrons have? | None, they are neutral |
Where is most of the mass of an atom? | In the nucleus |
Which sub-atomic particle has the smallest mass? | Electron |
What is an element? | A substance that contains only one type of atom |