Chemistry, 21.11.2019 18:31 marissagirl4903
An atom has 25 protons, 30 nutrons, and 25 electrons. what is the charge of the atom's nucleus?
+25
+30
-25
-30
Answers: 2
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Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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An atom has 25 protons, 30 nutrons, and 25 electrons. what is the charge of the atom's nucleus?
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