Some quick questions before my Chem exam tomorrow. Here are some problems that were on a practice exam but I dont have the answers to them. I am stuck on all of these so i was wondering if you guys/gals can help me out with these. If you can't do all then one is fine.(adsbygoogle = window.adsbygoogle || []).push({});

how many electrons are allowed with n=5, l=?, m_l=-2, m_s=?

A. 3

B. 6

C. 10

D. 8

E. 25

The pi bond in CH2NF is formed with the following orbital overlap.

A. sp^2 - 2py

B. 2px - 2py

C. 2py - sp^3

D. sp^2 - sp^2

E. 2py - 2py

If the allowed values of the quantum number l were all integers from 0 to n, how many orbitals are allowed with n=5?

A. 64

B. 36

C. 83

D. 49

E. 25

In which of the following molecules is the C to C the shortest?

A. C2H6

B. C2H2

C. C2H4

D. H3CCOOH

E. H3CCN

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# Some quick problems before my exam 2morrow

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