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Questions and Answers
Which of the following particles make up the nucleus of an atom?
Which of the following particles make up the nucleus of an atom?
- Protons and electrons
- Protons, neutrons, and electrons
- Protons and neutrons (correct)
- Neutrons and electrons
What distinguishes one chemical element from another?
What distinguishes one chemical element from another?
- The number of protons and neutrons
- The number of neutrons
- The number of protons (correct)
- The number of electrons
What defines the isotope of an element?
What defines the isotope of an element?
- The number of electrons
- The number of protons
- The number of protons and electrons
- The number of neutrons (correct)
Why can't humans see atoms with conventional microscopes?
Why can't humans see atoms with conventional microscopes?
What percentage of an atom's mass is located in the nucleus?
What percentage of an atom's mass is located in the nucleus?
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