Chemistry, 16.10.2020 09:01 marcgotbox
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Chemistry, 21.06.2019 15:00
1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )
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Chemistry, 21.06.2019 22:00
Which produce would best increase the amount of heat energy that is actually gained by calorimeter b
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Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
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Chemistry, 22.06.2019 18:10
Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate
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