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Questions and Answers
What determines an element's atomic number?
What determines an element's atomic number?
- The number of electrons in its outermost energy level
- The number of neutrons in its nucleus
- The number of protons in its nucleus (correct)
- The number of electrons in its innermost energy level
Where are the protons that determine an element's atomic number located?
Where are the protons that determine an element's atomic number located?
- In the valence shell
- In the outermost energy level
- In the nucleus (correct)
- In the electron cloud
What is the relationship between the number of protons and the atomic number of an element?
What is the relationship between the number of protons and the atomic number of an element?
- The number of protons is double the atomic number
- The number of protons is unrelated to the atomic number
- The number of protons is the same as the atomic number (correct)
- The number of protons is half the atomic number
Which of the following is NOT a factor in determining an element's atomic number?
Which of the following is NOT a factor in determining an element's atomic number?
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What would happen if an element gained or lost a proton in its nucleus?
What would happen if an element gained or lost a proton in its nucleus?
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