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Questions and Answers
Which scientist was among the first to suggest the idea of atoms?
Which scientist was among the first to suggest the idea of atoms?
- Thomson
- Democritus (correct)
- Dalton
- Atomos
What is the smallest particle of an element that retains the properties of that element?
What is the smallest particle of an element that retains the properties of that element?
- Neutron
- Proton
- Electron
- Atom (correct)
What particles are found in the nucleus of an atom?
What particles are found in the nucleus of an atom?
- Electrons only
- Protons and neutrons (correct)
- Protons and electrons
- Neutrons and electrons
What does the atomic number of an element represent?
What does the atomic number of an element represent?
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If an element has an atomic number of 76, what is the number of protons and electrons in a neutral atom of the element?
If an element has an atomic number of 76, what is the number of protons and electrons in a neutral atom of the element?
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