Chemistry, 22.11.2020 14:00 destanie1030
For the element Selenium (Se), state:
How many principal energy levels (PEL's) it has? How many (PEL's) and which ones are occupied? How many (PEL's) and which ones are full?
How many Sub-Levels it has? How many (sub levels) and which ones are occupied? How many (sub levels) and which ones are full?
How many Orbitals it has? How many (orbitals) and which ones are occupied? How many (orbitals) and which ones are full?
Answers: 3
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 22.06.2019 13:20
Can someone me with 3 and 4 plz. this is for masteries test.
Answers: 2
Chemistry, 22.06.2019 18:20
Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements
Answers: 2
Chemistry, 22.06.2019 21:00
Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?
Answers: 1
For the element Selenium (Se), state:
How many principal energy levels (PEL's) it has? How many (PE...
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