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Questions and Answers
What does the mass number 'A' represent in isotope notation?
What does the mass number 'A' represent in isotope notation?
- Combined number of protons and neutrons (correct)
- Number of neutrons
- Atomic number
- Number of protons
Which type of decay involves an unstable atomic nucleus losing energy by radiation?
Which type of decay involves an unstable atomic nucleus losing energy by radiation?
- Alpha decay
- Beta decay
- Gamma decay (correct)
- Delta decay
What did alchemists fail to do in attempting to transmute base metals into noble ones?
What did alchemists fail to do in attempting to transmute base metals into noble ones?
- Understand the periodic table
- Mix chemicals
- Create isotopes
- Cause nuclear reactions (correct)
How are new elements synthesized in laboratories according to the text?
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?
What property of an element does the atomic number determine?
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What are alpha particles composed of according to the text?
What are alpha particles composed of according to the text?
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