For each of the following: Find the symbol / element name. How many electrons are in each atom / ion? How many of these are valence electrons? What group of the periodic table is each in? What is the electron configuration? i) carbon  ii) oxygen                                    iii) potassium                           iv) chloride Optional challenges:       v) F-                                                                    vi) Fe3+                                                         vii) Sb3- For each ion, classify as anion or cation. Write an equation showing formation of the ion from its element

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