Answers by Markella
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Answers by Markella

Answers by Markella
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What is the electron configuration of an element with atomic number 20?
answered Jul 2, 2018
6 votes
78.2k views
35 m is equivalent to how many km?
answered Feb 10, 2018
6 votes
53.2k views
In a group of 42 children there r twice as many boys as girls how many girls r there
answered Dec 8, 2017
3 votes
46.8k views
A historian's upbringing can influence their interpretation of historical events. a. True b. False
answered Jul 11, 2016
7 votes
32.0k views
Which isotope will spontaneously decay and emit particles with a charge of +2? (1) 53Fe (3) 198Au (2) 137Cs (4) 220Fr
answered Jan 17, 2016
4 votes
56.4k views
Are incorrect hypothesizes a waste of time
answered Mar 5, 2015
6 votes
228k views
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