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Questions and Answers
In beta decay, what changes occur in atomic mass and atomic number?
In beta decay, what changes occur in atomic mass and atomic number?
- Unchanged atomic mass and increased the atomic number by 1 (correct)
- Unchanged atomic mass and unchanged atomic number
- Unchanged atomic mass and decreased the atomic number by 1
- Increased the atomic mass by 4 and increased the atomic number by 2
What are the atomic mass and atomic number of deuterium?
What are the atomic mass and atomic number of deuterium?
- The atomic mass is 4 and the atomic number is 2
- The atomic mass is 2 and the atomic number is 1
- The atomic mass is 3 and the atomic number is 1
- The atomic mass is 3 and the atomic number is 2 (correct)
What process occurs when a star exhausts its fuel and collapses the core?
What process occurs when a star exhausts its fuel and collapses the core?
- Positron emission
- Stellar evolution
- Electron capture
- Supernova explosion (correct)
Which element results from the fusion of silicon in fusion shells of a red giant star?
Which element results from the fusion of silicon in fusion shells of a red giant star?
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Which nucleus fuses with beryllium to form carbon during stellar formation and evolution?
Which nucleus fuses with beryllium to form carbon during stellar formation and evolution?
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Which statement does NOT align with Dalton's Atomic Theory?
Which statement does NOT align with Dalton's Atomic Theory?
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