How many total electrons are in P^-3 A. 18 B. 34 C. 15 D. 12?
回答 (2)
2018-01-22 3:07 pm
✔ 最佳答案
Refer to the Periodic Table. The atomic number of phosphorus (P) is 15, and thus there are 15 electrons in a neutron atom of P.A P atom gains 3 electrons to become a P⁻³ ion.
Hence, total number of electrons in P⁻³ ion = 15 + 3 = 18
The answer: A. 18
2018-01-22 12:29 pm
收錄日期: 2021-04-18 18:03:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20180122031755AAa5EpZ