Chemistry, 14.11.2019 03:31 ddoherty88
One bit of evidence that the present theory of atomic structure is "correct" lies in the magnetic properties of matter. atoms with unpaired electrons are attracted by magnetic fields and thus are said to exhibit paramagnetism. the degree to which this effect is observed is directly related to the number of unpaired electrons present in the atom. on the basis of the electron orbital diagrams for the following elements, indicate which atoms would be expected to be paramagnetic, and tell how many unpaired electrons each atom contains. a. phosphorus, z = 15b. iodine, z = 53c. germanium, z = 32
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Chemistry, 21.06.2019 22:40, wiltseliz4800
What does the process of natural selection involve
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Chemistry, 22.06.2019 05:50, carog24
Astudent made a graph plotting the progress of a reaction over time. the student forgot to label the y-axis of the graph. a graph is shown with two graph lines. one graph line starts at a higher position on the y axis and slopes downwards towards the right. the other graph line starts at a lower position on the y axis and slopes upwards towards the right. the two graph lines stop short of intersecting each other and continue as separate lines which gradually become straight and parallel to the x axis. a vertical line is shown at a point where the two graph lines finally became parallel to the x axis. this vertical line is labeled equilibrium. the title on the x axis is time and an arrow pointing towards the right is shown above time. the title on the y axis is left blank. what best explains the label that the student should use on the y-axis? amount, because as the amount of product decreases, the amount of reactant increases over time. reaction rate, because forward and backward reaction become equal at equilibrium. amount, because the amounts of reactants and products become constant after equilibrium is reached. reaction rate, as the rate of forward reaction increases and rate of backward reaction decreases over time.
Answers: 3
One bit of evidence that the present theory of atomic structure is "correct" lies in the magnetic pr...
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