What element has an energy level Electron Configuration of 2-8-18-8?
Argon
Calcium
Kry...
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Chemistry, 22.06.2019 08:30
The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true
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Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?
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What will most likely happen when two bromine atoms bond together?
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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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