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Biology 7 Online
OpenStudy (anonymous):

Sea salt contains calcium chloride (CaCl2), an ionic compound similar to table salt. One atom of calcium ( atomic number 20) bonds to two atoms of chlorine ( atomic number 17). Fill in the number of protons and electrons in each ion. Chloride ion Calcium ion Chloride ion

OpenStudy (shrutipande9):

chloride ion is cl- so it would have 1 electron more so 18e- but protons same 17. calcium is ca2+ so 2 eletrons less. so 18e- but same protons 20

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