Question

Which of these ions have the same number of electrons as ${S}^{2-} ?$ Choose all that apply. a. ${Cl}^{-} $ b. ${Ca}^{2+} $ c. ${Na}^{+}$ d. ${O}^{2-} $ e. ${P}^{3-}$

          Which of these ions have the same number of electrons as ${S}^{2-} ?$ Choose all that apply.
a. ${Cl}^{-} $ b. ${Ca}^{2+} $ c. ${Na}^{+}$ d. ${O}^{2-} $ e. ${P}^{3-}$

Added by Catherine N.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adi S

09/13/2023

Step 1

Sulfur has an atomic number of 16, which means it has 16 electrons in its neutral state. Since it has a charge of 2-, it gains 2 electrons, making the total number of electrons 18. Now, let's check each ion: a. ${Cl}^{-}$: Chlorine has an atomic number of 17, so Show more…

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Which of these ions have the same number of electrons as ${S}^{2-} ?$ Choose all that apply. a. ${Cl}^{-} $ b. ${Ca}^{2+} $ c. ${Na}^{+}$ d. ${O}^{2-} $ e. ${P}^{3-}$