1. Selenium has atomic number 34. In its ground state, how many electrons are in

Question

1. Selenium has atomic number 34. In its ground state, how many electrons are in its n = 2 shell? Answer a. 2 b. 8 c. 16 d. 10



2. The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 5, there will be how many permitted orbital quantum numbers?Answer a. 10 b. 25 c. 5 d. 3

3. The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 7, there will be how many permitted orbital magnetic quantum numbers allowed?Answer a. 7 b. 15 c. 11 d. 6 1. Selenium has atomic number 34. In its ground state, how many electrons are in its n = 2 shell? 2 8 16 10



10 25 5 3

3. 7 15 11 6 a. 2 b. 8 c. 16 d. 10

Explanation / Answer

B C B

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