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Questions and Answers
Who is credited with the discovery of the electron?
Who is credited with the discovery of the electron?
- Werner Heisenberg
- Niels Bohr
- Ernest Rutherford
- J.J. Thomson (correct)
What is the atomic number of an element based on?
What is the atomic number of an element based on?
- Number of electrons
- Number of neutrons
- Atomic mass
- Number of protons (correct)
What is the charge of a proton?
What is the charge of a proton?
- Neutral
- Negative
- Variable
- Positive (correct)
