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Questions and Answers
What does the atomic number of an element represent?
What does the atomic number of an element represent?
- The total mass of the atom
- The total number of protons and neutrons in the nucleus
- The number of protons in the nucleus (correct)
- The number of electrons in the outermost shell
What is the mass number of an atom?
What is the mass number of an atom?
- The number of electrons in the atom
- The total number of protons and neutrons in the nucleus (correct)
- The number of protons in the nucleus
- The total mass of the atom
What are isotopes?
What are isotopes?
- Atoms with different number of protons but same number of neutrons
- Atoms with different number of protons and neutrons
- Atoms with same number of protons and neutrons
- Atoms with the same number of protons but different number of neutrons (correct)
What is isob?
What is isob?
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Study Notes
4.5 Atomic number and mass number 4.5.1 Atomic number 4.5.2 Mass number 4.6 Isotopes 4.6.1 Isob
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