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ChemistryChemistry
11 April, 07:01

What can you say about a calcium atom by looking at the symbol 44/20 Ca?

a. A calcium atom has 44 neutron s and 20 electrons.

b. A calcium atom has 20 protons and 24 electrons.

c. A calcium atom has 64 protons and 20 neutrons.

d. A calcium atom has 20 protons and 24 neutrons.

e. A calcium atom has 20 protons and 44 neutrons.

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Answers (1)
  1. 11 April, 07:06
    0
    The answer is d. a calcium atom has 20 protons and 24 neutrons. The 20 means the atomic number. The 44 means the atom mass which is the total of neutrons and protons.
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Home » Chemistry » What can you say about a calcium atom by looking at the symbol 44/20 Ca? a. A calcium atom has 44 neutron s and 20 electrons. b. A calcium atom has 20 protons and 24 electrons. c. A calcium atom has 64 protons and 20 neutrons. d.
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