In Which of the Following Sets Do All Species Have

question 28

Multiple Choice

In which of the following sets do all species have the same number of electrons?

• A)Br^-,Kr,Sr²⁺
• B)C,N^3-,O^2-
• C)Mg²⁺,Sr²⁺,Ba²⁺
• D)O,O^2-,O²⁺

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