Chemistry, 27.06.2019 10:00 1xXJOKERXx3
How is the atomic mass of an element calculated? a. by determining the number of electrons in the outer orbital b. by determining the number of protons in the nucleus c. by taking the weighted averages of naturally occurring isotopes of that element d. by dividing its mass by that of the carbon-12 atom
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Chemistry, 21.06.2019 22:30
Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown
Answers: 1
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 22.06.2019 23:30
The ammonia molecule in the diagram has the observed bond orientation because
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Chemistry, 23.06.2019 02:00
What causes the appearance of lines in a emission spectrum
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How is the atomic mass of an element calculated? a. by determining the number of electrons in the o...
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