Starter quiz
- What are the three main subatomic particles found in an atom?
- Protons ✓
- Neutrons ✓
- Electrons ✓
- Atoms
- Molecules
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- Which of the following particles is negatively charged?
- Proton
- Atom
- Electron ✓
- Nucleus
- Neutron
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- True or false? Protons and electrons have equal but opposite charges.
- True ✓
- False
- ______, along with protons, make up the nucleus of an atom. They add to the mass of an atom but do not carry a charge.
- 'neutrons' ✓
- According to the principles of electricity and magnetism, what happens when two electrons come close to each other?
- They attract each other.
- They combine to form a neutron.
- They repel each other. ✓
- They remain neutral and unaffected.
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- True or false? Neutrons have a greater mass than protons.
- True
- False ✓
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