Chemistry, 23.07.2019 23:30 Riplilpeep
The halogen elements are all: a. period vii atoms b. from group vii c. inert gases d. active metals
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Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
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Chemistry, 22.06.2019 13:30
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
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Chemistry, 23.06.2019 05:00
What is dhmo? hint: you find it everywhere something is wet..
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The halogen elements are all: a. period vii atoms b. from group vii c. inert gases d. active meta...
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