How did bohr's model of the atom explain the periodic nature of the properties of the elements? a. energy shells in atoms with different quantum numbers hold different amount of electrons. c. all energy shells in an atom are capable of holding the same number of electrons. b. elements having the same number of electrons in the outer shell have similar properties and are found in the same column on the periodic table. d. a and b only.
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Chemistry, 21.06.2019 19:00
Consider the point on the plot where 10.0 g of naoh have been added. what amount of naoh, in moles, has been added? 0.308 mol fecl3 initially present
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Chemistry, 22.06.2019 09:50
Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange
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Chemistry, 23.06.2019 07:00
The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing
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How did bohr's model of the atom explain the periodic nature of the properties of the elements? a....
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