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Questions and Answers
Which of the following correctly defines isotopes?
Which of the following correctly defines isotopes?
- Atoms of the same element with different numbers of neutrons (correct)
- Atoms of different elements with different numbers of neutrons
- Atoms of the same element with different numbers of electrons
- Atoms of different elements with different numbers of protons
What is heavy water and why is it used?
What is heavy water and why is it used?
- Water with a high concentration of deuterium, used to control nuclear processes (correct)
- Water with a high salt content, used for cooking
- Water with a high mineral content, used for drinking
- Water with a high concentration of oxygen, used for medical purposes
What is the difference between cations and anions?
What is the difference between cations and anions?
- Cations have more protons than electrons, anions have more electrons than protons
- Cations have a positive charge, anions have a negative charge (correct)
- Cations are negatively charged ions, anions are positively charged ions
- Cations have a negative charge, anions have a positive charge
What is the difference between mass number and atomic number?
What is the difference between mass number and atomic number?
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What is heavy water and how is it used in nuclear processes?
What is heavy water and how is it used in nuclear processes?
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Why do different isotopes of the same element react in similar ways?
Why do different isotopes of the same element react in similar ways?
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