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Chemistry, 22.06.2019 08:30
What are the first three quantum numbers for the electrons located in subshell 2s?
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Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
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Chemistry, 22.06.2019 22:30
What is the value of the standard enthalpy of formation of an element in its most stable form?
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Chemistry, 23.06.2019 01:30
In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?
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