Write the symbols of the ions with the following number of protons and electrons: a. 3 protons, 2 electrons b. 9 protons, 10 electrons c. 12 protons, 10 electrons d. 26 protons, 23 electrons
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Step 1
An atom with 3 protons is lithium (Li). If it has 2 electrons, it has lost one, so it has a charge of +1. The symbol for this ion is Li+. b. An atom with 9 protons is fluorine (F). If it has 10 electrons, it has gained one, so it has a charge of -1. The symbol Show more…
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