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PLEASE ASAP A calcium atom has 20 protons, 18 electrons, and 20 neutrons. What is the charge on the atom?
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PLEASE ASAP

A calcium atom has 20 protons, 18 electrons, and 20 neutrons. What is the charge on the atom?

User Hastur
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1 Answer

1 vote

Answer:

Ca2+ represents an ion with 20 protons and 18 electrons.

Step-by-step explanation:

A calcium atom has 20 protons and 20 electrons. The 2+ charge next to the symbol indicates a loss of two electrons: 20-2=18.

User Gregory Boutte
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