February 26, 2017

Homework Help: Pre-Algerbra

Posted by Katlyn on Wednesday, October 17, 2012 at 12:58pm.

I don't really understand this and my teacher at school is no help. Can anyone explain what I'm supposed to do here?
Atoms contain charged particles called protons and electrons. Each proton has a charge of +1, and each electron has a charge of –1. A sulfur ion has 16 protons and 18 electrons. Find the net charge.
---- I was given options, if that helps. But I just really need it explained so I can get it.
--- Options:
A. –34

B. +2

C. 34

D. –2

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