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Questions and Answers
What did Bohr suggest about the electrons in his model of the atom?
What is the maximum number of electrons that can occupy the third energy shell in an atom?
What is the mass number of an atom if it contains 20 protons and 22 neutrons?
Which subatomic particle was discovered by James Chadwick?
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What does the atomic number of an element represent?
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Which model suggested that atoms are made up of a positively charged nucleus surrounded by electrons in specific energy levels?
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