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What can you say about a calcium atom by looking at the symbol Ca?
A.
B.
C.
D.
E.
A calcium atom has 44 neutron s and 20 electrons.
A calcium atom has 20 protons and 24 electrons.
A calcium atom has 64 protons and 20 neutrons.
A calcium atom has 20 protons and 24 neutrons.
A calcium atom has 20 protons and 44 neutrons.



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