Atomic Structure Knowledge Questions

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Describe the basic structure of an atom. 2 Compare the size of an atom to the size of its nucleus. 3 Describe the arrangement of electrons in an atoms. 4 Explain how the arrangement of electro... ns in an atom may change. 5 Explain what is meant by the 'atomic number' of an atom 6 Explain what is meant by the 'mass number' of an atom. 7 Explain what is meant by an 'isotope'. 8 Explain what is meant by a 'positive ion'. 9 Explain what is meant by a scientific model.Atomic Structure Knowledge Questions Sheet 2 10 Explain why a scientific model may changed or replaced. 11 Describe the 'plum pudding' model of the atom. 12 Explain what happens to an unstable nucleus. 13 Explain what is meant by the 'activity' of a radioactive source. 14 State the different types of nuclear radiation. 15 Describe the structure of the different types of nuclear radiation. 16 Explain what happens in a nucleus during an alpha decay. 17 Explain what happens in a nucleus during a beta decay. [Show More]

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