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Posted by on Sunday, September 5, 2010 at 12:10am.

A certain element forms an ion with 54 electrons and a charge of +2. Identify the element.

  • chemistry - , Sunday, September 5, 2010 at 12:33am

    54 electrons with +2 charge means it must have 56 protons? What is element with atomic number of 56?

  • chemistry - , Sunday, September 5, 2010 at 12:36am

    Ba

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