Considering the same set of elements, carefully determine the ION most likely to be formed by those listed. Be careful, no options will be repeated, but not all options will be used. One answer per element.(4 points)

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Phosphorus Boron Chlorine Calcium
1+, 2+, 3+, 3-, 2-, 1-, 0.

1 answer

To determine the most likely ion that would be formed by each element listed, we need to consider their typical oxidation states based on their positions in the periodic table.

  1. Phosphorus (P): Typically, phosphorus can form a 3- ion (phosphide ion) when it gains three electrons.

    • Answer: 3-
  2. Boron (B): Boron usually forms a 3+ ion as it can lose three electrons to achieve a stable electron configuration.

    • Answer: 3+
  3. Chlorine (Cl): Chlorine typically forms a 1- ion (chloride ion) when it gains one electron.

    • Answer: 1-
  4. Calcium (Ca): Calcium usually forms a 2+ ion as it loses two electrons to achieve a stable electron configuration.

    • Answer: 2+

Thus, the answers are:

  • Phosphorus: 3-
  • Boron: 3+
  • Chlorine: 1-
  • Calcium: 2+