Questions and Answers
What does the mass number 'A' represent in isotope notation?
Combined number of protons and neutrons
Which type of decay involves an unstable atomic nucleus losing energy by radiation?
Gamma decay
What did alchemists fail to do in attempting to transmute base metals into noble ones?
Cause nuclear reactions
How are new elements synthesized in laboratories according to the text?
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What property of an element does the atomic number determine?
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What are alpha particles composed of according to the text?
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