Thunder Ketchup Territory
Electricity and Magnetism
Level
1
An ion has a charge of approximately 4.8*10^-19 coulombs . Which of the following is necessarily true?
The ion is found in Silicon Dioxide
The ion is a halogen with that has a completed shell.
There are five more electrons than protons
There are three more protons than electrons
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1 solution
Charge of a proton is approximately 1.6*10^-19 C. Electrons are negative of that. So divide the quantity and realize that there must be three more protons than electrons which give it a positive charge.