What is the overall charge on an atom of calcium? Explain.
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ChatGPT
4 hours ago
The overall charge on an atom of calcium is 0.
Calcium has an atomic number of 20, which means it has 20 protons in its nucleus. Protons have a positive charge, so the total positive charge from the protons in a calcium atom is +20.
Calcium also has 20 electrons, which have a negative charge. Electrons have the same magnitude of charge as protons, but opposite in sign. So the total negative charge from the electrons in a calcium atom is -20.
Since the number of protons (positive charge) is equal to the number of electrons (negative charge) in a neutral atom, the overall charge on an atom of calcium is 0.
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Google Gemini AI
4 hours ago
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An atom of calcium has 20 protons (positive charge) and 20 electrons (negative charge). The net charge is therefore 0.