How many electrons does the ion31 315 P − contain?A. 12B. 15C. 16D. 18Page 11 of 77
Question
Solution 1
The ion 31 15 P - is an isotope of phosphorus. The superscript 31 is the atomic mass number (protons + neutrons), and the subscript 15 is the atomic number (number of protons).
Step 1: Identify the number of protons. The atomic number is 15, so there are 15 protons.
Step 2: Identify the charge o Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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