Chemistry, 22.09.2020 14:01 rigobertoherreea
Uranium has three common isotopes. If the abundance of 234 U is 0.01%, the abundance of 235 U is 0.71%, and the abundance of 238 U is 99.28%, what is the average atomic mass of uranium?
Answers: 3
Chemistry, 21.06.2019 22:00
During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.
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Chemistry, 22.06.2019 08:30
Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.
Answers: 3
Chemistry, 22.06.2019 19:30
What is the common name for the compound shown here? enter the common name of the compound shown?
Answers: 2
Chemistry, 23.06.2019 04:31
How many grams of iron can be made from 16.5 grams of fe2o3
Answers: 1
Uranium has three common isotopes. If the abundance of 234 U is 0.01%, the abundance of 235 U is 0.7...
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