Chemistry questions........................

Posted on 2016-11-16 18:40:00 in Chemistry by JORG

1. Which one of the following statements is correct? 
A.Both the energy and location of an electron in an atom can be described precisely 

B.Neither the energy nor location of an electron in an atom can be described precisely 

C.The energy of an electron in an atom can be described precisely, but its location can only be described in terms of probability 

D.The location of an electron in an atom can be described precisely, but its energy can only be described in terms of probability 

E.None of the above statements are correct 

2. Which one of the following statements is incorrect? 

A.A maximum of 2 electrons can occupy an s orbital 

B.A 4d orbital is higher in energy than a 3d 
orbital 

C.Orbitals that have the same energy are termed degenerate 

D.The p orbitals within an electron shell have different energy 

E.Increasing value of principle quantum number represents increasing orbital size 

3. Which one of the following electron configurations depicts an excited phosphorus atom? 
A.[Ne]3s2 3p3 
B.[Ne]3s1 3p3 4s1 
C.[Ne]3s2 3p4 
D.1s2 2s2 2p6 3s2 3p3 
E.1s2 2s2 2p6 3s1 3p4 4s1 

4. Which one of the following represents the most stable electron configuration for Ag+? 

A.[Kr]4s0 3d10 
B.[Kr]4s1 3d9 
C.[Kr]4s2 3d8 
D.[Kr]4s3 3d7 
E.None of the above 

Can you please help me with these 4 questions? 

Thanks.

---

Answer Comment

No Answers Posted Yet.