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Give the symbol of an ion which has 10 e

Give the symbol of an ion which has 10 e - know the ion has...

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Give the symbol of an ion which has 10 e -  and 7 p + . Solution The notation e -  refers to electrons and p +  refers to protons. The number of  protons is an element's atomic number. Use the  Periodic Table  to find the  element with an atomic number of 7. This element is nitrogen, which has the  symbol N. The problem states that there are more electrons than protons, so we 
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Unformatted text preview: know the ion has a negative net charge. Determine the net charge by looking at the difference in the number of protons and electrons: 10 - 7 = 3 more electrons than protons, or a 3- charge. Answer N3-...
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