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An element consists of two isotopes. The abundance of one isotope is 95.72% and its atomic mass is 114.9041 u. The atomic mass of the second isotope is 112.9043 u. What is the average atomic mass of the
answered Mar 7, 2020
4 votes
33.0k views
What does the presence of homologous structures in different organisms suggest
answered Jan 22, 2020
4 votes
82.1k views
What is the area of one trapezoidal face of the figure?
answered Jun 10, 2019
3 votes
78.3k views
Which term does Not fit logically in the group of words below un horaire une gare un aéroport une station de metro
answered Jun 7, 2019
2 votes
148k views
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