Answers by Jon Roberts
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Answers by Jon Roberts

Answers by Jon Roberts
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HELP PLZ!!! A neutral atom of helium has 2 protons and ______ electrons. (Enter a whole number.)
answered Feb 5, 2018
6 votes
81.7k views
A shallow depth of field means that what part of the photo will be in focus?
answered Sep 21, 2017
0 votes
66.6k views
Y and Z are vertical angles Y=(2X + 7) Z=(4X - 17) value of x
answered Aug 20, 2017
5 votes
145k views
According to the pH chart, which is the strongest base?
answered Jan 10, 2017
4 votes
67.3k views
What is the value of a? -2(a-8)+6a=36
answered Feb 1, 2016
2 votes
175k views
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