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Which of the following statements about subatomic particles best characterizes protons? positive charge, heavy, found in the nucleus of an atom no charge, heavy, found in the nucleus of an atom negative
answered
Feb 22, 2017
Chemistry
high-school
4
votes
200k
views
This leaf is 4 inches long. What kind of observation is this?
answered
Nov 21, 2016
Biology
high-school
2
votes
60.7k
views
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