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Which of the following is correct for α –particle ? (A) 1 Protons and 1 neutron (B) 2 Protons and 2 neutron (C) 1 Protons and 3 neutron (D) 2 Protons and 3 neutron |
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Answer» Correct answer is (B) 2 Protons and 2 neutron |
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