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Questions and Answers
Which elements make up the majority of our bodies?
Which elements make up the majority of our bodies?
- Chlorine, Sodium, Potassium, Iron
- Iron, Iodine, Magnesium, Sulfur
- Calcium, Phosphorus, Potassium, Sodium
- Oxygen, Nitrogen, Hydrogen, Carbon (correct)
What are ions?
What are ions?
- Atoms with missing or extra electrons (correct)
- Positively charged protons
- Negatively charged electrons
- Subatomic particles found in the nucleus
Which model describes the arrangement of electrons in an atom?
Which model describes the arrangement of electrons in an atom?
- Electron cloud model (correct)
- Nucleus model
- Subatomic particle model
- Bohr's atomic model
How many protons does a carbon atom have?
How many protons does a carbon atom have?
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Which ion is missing one electron?
Which ion is missing one electron?
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