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The element nitrogen has two stable isotopes, nitrogen-14 with a mass of 14.00 amu and nitrogen-15 with a mass of 15.00 amu. From the atomic weight of N = 14.007 one can conclude that: nitrogen-14 has
asked
May 13, 2017
Chemistry
high-school
2
answers
4
votes
30.2k
views
The geographic feature MOST responsible for extensive trade within Europe has historically been the A) variety of climates due to mountain ranges. B) numerous ports on the Atlantic Ocean. C) scarcity of
asked
Jun 3, 2016
Social Studies
middle-school
2
answers
3
votes
140k
views
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