Physics Question
2008-03-19 2:15 pm
The combined charge of all electrons in a nickel coin is hundreds of thousands of coulombs, a unit of electircal charge. Does that imply anything about the net charge on the coin? Explain
回答 (1)
2008-03-19 8:02 pm
✔ 最佳答案
for a metal, the positively charged metal ions are surrounded bynegatively charged electrons. the number of metal ions
and electrons are equal. so metals are electrically neutral.
收錄日期: 2021-04-29 20:24:45
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080319000051KK00374