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1 Practice MCAT # 11

Things I learned from taking the practice MCAT # 11 Test

QuestionAnswer
What does the angular momentum quantum number, L, dictates? The angular momentum quantum number, L, is the quantum number that dictates the "shape" of an electron orbital.
The angular momentum number L is the same as the number of angular ..... ? It is the same as the number of angular NODES (also known as the regions of zero probability) present in the electron orbital.
What is the name of the first, or principle, quantum number in general chemistry? What is the designated letter for this quantum number? The first, or principle, quantum number is called the shell number. The designated letter for the first quantum number is N.
What does the first, or principle, electron quantum number tell us about the atom? The shell number, n, is the electron quantum number that tells us the SIZE & ENERGY of an electron orbital. Loosely speaking, an orbital describes a three dimensional region around the nucleus in which the electron is most likely to be found.
What can be the possible values of the first, or principle, electron quantum number? The values of the shell number, n, can be any whole number starting with 1. Note; the greater the value of n, the greater the electron's energy and average distance from the nucleus.
What is the name of the second quantum number in general chemistry? What is the designated letter for this quantum number? The second quantum number is called the subshell number, and it is denoted by the letter L.
What does the second electron quantum number tell us about the atom? The second quantum number, the subshell number, describes the SHAPE (and energy) of an electron's orbital.
What can be the possible values of the first, or principle, electron quantum number?
Created by: worksyed
 

 



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