Chemistry, 28.07.2019 11:30 carlyfaith3375

Grade 8 science can anyone me answer these two science questions? a. a calcium ion has 20 neutrons, 20 protons, and 18 electrons. what is the ion's charge and identify if this is a negative ion or a positive ion? b. contrast sodium and chloride ions, including how they form. write the symbol for each ion.

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Grade 8 science can anyone me answer these two science questions? a. a calcium ion has 20 neutron...

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