armondspencer1111111 armondspencer1111111
  • 20-11-2020
  • Chemistry
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A student writes Ba²⁻ as the symbol for a barium ion. Explain what is incorrect about the symbol.

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22ejs02 22ejs02
  • 20-11-2020
It should be 2+ because Ba is in the 2nd group which means it needs two more electrons.
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