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Questions and Answers
What is the smallest unit of an element that still retains its properties?
What is the smallest unit of an element that still retains its properties?
- Ion
- Atom (correct)
- Compound
- Molecule
Which subatomic particle carries a positive charge?
Which subatomic particle carries a positive charge?
- Photon
- Proton (correct)
- Neutron
- Electron
What is the total number of protons in the nucleus of an atom called?
What is the total number of protons in the nucleus of an atom called?
- Atomic number (correct)
- Atomic mass
- Valence electrons
- Isotope
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