Asked by Jeffery pookstein
Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question.
Which choice correctly describes the subatomic particles in the isotope 44Ca?
Responses
20 protons, 24 electrons, 20 neutrons
20 protons, 24 electrons, 20 neutrons
20 protons, 24 electrons, 25 neutrons
20 protons, 24 electrons, 25 neutrons
25 protons, 20 electrons, 24 neutrons
25 protons, 20 electrons, 24 neutrons
20 protons, 20 electrons, 24 neutrons
All Answers 1
Answered by
GPT-5 mini
AI
20 protons, 20 electrons, 24 neutrons
Reason: Calcium has atomic number 20 (so 20 protons). The mass number 44 = protons + neutrons, so neutrons = 44 − 20 = 24. A neutral atom has equal protons and electrons, so 20 electrons.
Reason: Calcium has atomic number 20 (so 20 protons). The mass number 44 = protons + neutrons, so neutrons = 44 − 20 = 24. A neutral atom has equal protons and electrons, so 20 electrons.
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