Charge of the nucleus

1. Sep 3, 2006

poteat86

Hi, this problem is killing me.

What is the total charge of the radon nucleus? (The neutral radon atom has 86 electrons.)

The units is in Coulombs so I figured since they were asking for the charge of just the nucleus then it would be 86 protons times -1.6x10^-19 C. But that didn't work, I've tried every answer I can think of but it isn't working. (its like an online hw thing...i have only a few tries left and i need this answer to continue the rest) Please please help!! Thanks!

2. Sep 3, 2006

andrewchang

protons have a positive charge?

3. Sep 3, 2006

poteat86

yes...protons are positive and electrons are negative but electrons aren't in the nucleus so thats why i was using protons

4. Sep 3, 2006

Norman

In your original post you are saying the proton charge is negative... make sure you are putting in a positive number. Could it be a rounding issue? Since the exact charge of the electron is: −1.602 176 53(14) × 10−19 C thus making the proton have charge the opposite of that? Is your answer supposed to be in Coulombs? or in some other unit system?

5. Sep 3, 2006

poteat86

thanks for your help, i finally got it!