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Answers by PKey

Answers by PKey
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Why does a gold isotope, with an atomic number of 79, require more neutrons to be stable than a sodium isotope, with an atomic number of 11?
answered Jun 24, 2019
3 votes
45.4k views
A bell tolls every 10 minutes. Another bell tolls every 15 minutes. Both bells toll at 6:00 PM. They will toll together again at??
answered Dec 27, 2018
3 votes
77.5k views
A thin ribbon of magnesium burns in the air creating a really bright light. When it is finished burning, there is only a powder white substance in its place. Which option best explains where the white
answered Jul 19, 2018
7 votes
63.1k views
Solve each equation by taking square roots. Show your work the answer needs to be simplified and has to be done by perfect squares
answered May 29, 2018
5 votes
202k views
If the patient has to be administered a dosage of 2 tablets every 4 hours for 7 days, what is the number of tablets required for the prescribed dosage?
answered Mar 27, 2018
4 votes
182k views
An archetype is best described as a character who?
answered May 15, 2017
3 votes
65.2k views
Why were African Americans at first banned from serving in the army?
answered May 9, 2017
2 votes
82.9k views
Which countries on both sides of the Atlantic experienced revolutions during the late 18th and early 19th centuries?
answered Sep 29, 2015
2 votes
12.7k views
How can you use number patterns to find the least common multiple of 120 and 360
answered May 6, 2015
4 votes
23.1k views
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