Answers by Mark Wilsdorf
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Answers by Mark Wilsdorf

Answers by Mark Wilsdorf
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A calcium ion has a charge of +2. How many protons and electrons does it have? An atom has 6 protons, 7 neutrons, and 6 electrons. Fill in the blanks below for this atom: Atomic number_____ Atomic mass_______
answered Nov 26, 2018
5 votes
91.1k views
How are a persuasive essay and an expository essay different?
answered Nov 17, 2018
4 votes
213k views
The solution set for 7q2 − 28 = 0 is (Separate the solutions with a comma)
answered Oct 25, 2018
4 votes
118k views
Historians need to determine the authenticity of a source in order to
answered Aug 21, 2018
4 votes
138k views
Describe the theme of Annabel Lee
answered Apr 19, 2018
4 votes
141k views
Practice book unit 2 honey bees write sentences
answered Dec 20, 2017
4 votes
167k views
Describe how to estimate a non-perfect square root to the hundredths place without using a calculator.
answered Aug 19, 2017
3 votes
56.3k views
Gulliver differs from yahoos in all the following ways except his __________. clothes body shape short fingernails soft, smooth skin
answered Jul 30, 2017
0 votes
119k views
What occurred in Rome after emperors minted more coins to raise money?
answered Oct 30, 2016
2 votes
181k views
How would decreasing the time it takes you to run a certain distance affect your speed
answered Oct 4, 2016
4 votes
78.0k views
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