What information is needed to determine the energy of an electron in a many-electron atom?

Asked by maham237 @ in Chemistry viewed by 946 People

What information is needed to determine the energy of an electron in a many-electron atom? Check all that apply. What information is needed to determine the orientation of orbital? What information is most important in determining the size of an orbitaI? What information is needed to determine the general shape of an orbital?

Answered by maham237 @


Answer:

n and l

m

n

m

Explanation:

What information is needed to determine the energy of an electron in a many-electron atom?

We need to know the principal quantum number (n) and the angular quantum number (l). The higher the n, the more energy the electron has. For the same n, the higher the l, the more energy the electron has.

What information is needed to determine the orientation of orbital?

We need to know the magnetic quantum number (m). For instance, in an orbital s, m can only take the value 0, because there is only one possible orientation. In p orbitals, m can take the values -1, 0 and -1, which reflects the 3 possible orientations.

What information is most important in determining the size of an orbitaI?

The size of an orbital depends on the principal quantum number (n). The higher the n, the larger the orbital.

What information is needed to determine the general shape of an orbital?

The general shape of an orbital is determined by the angular quantum number (l). When l takes the value 0, the orbital is "s" (spheric). When l takes the value 1, the orbital is "p" (lobed shape), etc.


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