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Chemistry
Chaz Nolan
15 March, 02:27
What has 20 electrons in 44 Mass
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Diana West
15 March, 04:57
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It would be Calcium: Ca
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Kate Joyce
15 March, 05:29
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We can tell which atom has 20 electrons by looking on the periodic table. If we look at number 20 (the atomic number shows how many electrons and protons an atom has) it is Calcium (symbol Ca).
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