Chemistry, 18.07.2019 00:30 Unknowndragon42
The electron configuration for helium (he) is shown below. 1s2 which diagram shows the correct distribution of electrons in the electron shells of a helium atom? mc024-1.jpg mc024-2.jpg mc024-3.jpg mc024-4.jpg mark this and return
Answers: 1
Chemistry, 22.06.2019 18:00
Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
The electron configuration for helium (he) is shown below. 1s2 which diagram shows the correct distr...
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