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Questions and Answers
What is the basic composition of an atom?
What is the basic composition of an atom?
- Neutron, photon and electron cloud
- Electron, proton and quark
- Proton, neutron and photon
- Electron, proton and neutron (correct)
Which model of the atom introduced the concept of electrons in energy levels?
Which model of the atom introduced the concept of electrons in energy levels?
- Thomson model
- Rutherford model
- Dalton model
- Bohr model (correct)
What is the term for isotopes that are not radioactive?
What is the term for isotopes that are not radioactive?
- Stable isotopes (correct)
- Heavy isotopes
- Unstable isotopes
- Radioactive isotopes
Which scientist proposed the plum pudding model of the atom?
Which scientist proposed the plum pudding model of the atom?
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What is the main difference between isotopes of the same element?
What is the main difference between isotopes of the same element?
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