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Calcium has an atomic number of 20 and an atomic mass (weight) of 40 therefore, we know that calium has {}20 protons []40 protons {}20 electrons []40 electrons {}20 nuetrons !ch…
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Calcium has an atomic number of 20 and an atomic mass (weight) of 40 therefore, we know that calium has {}20 protons []40 protons {}20 electrons []40 electrons {}20 nuetrons !ch…
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Oct 7, 2019
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Calcium has an atomic number of 20 and an atomic mass (weight) of 40 therefore, we know that calium has
{}20 protons
[]40 protons
{}20 electrons
[]40 electrons
{}20 nuetrons
!check all that apply!
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Karthik Saxena
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20 protons
20 electrons
20 neutrons
Denis Borovikov
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Oct 10, 2019
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Denis Borovikov
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