1) Write the ground state electornic configuration for the following elements? -

Question

1) Write the ground state electornic configuration for the following elements?

-Cu

Te-

2) Write downt the maxiumum number of elextrons in an atom which can have

a. quantum number n=4 ____________

b. orbital designation 3d. ____________

c. orbital designation 2p _____________

3) An atom of element number 33(As) is in its ground state electonic state. Which one of the following sets quantum numbers could NOT apply to any of its electrons?

A) n=2,   l=1, m1=1,   ms=+1/2

B) n=3,   l=0, m1=0,   ms= -1/2

C)n=3,   l=2, m1= -2,   ms= -1/2

D)n=4,   l=0, m1=0,   ms= -1/2

E)n=4,   l=2, m1=1,   ms=+1/2

4)Which of the following frequencies of electromagnetic radiation has the shortes wavelenth?

a) 1 kilohertz     b) 1 teragertz c) 1 dekahertz d) 1 gigahertz   e) 1 megahertzCut

5) Give the correct set of quantum numbers for an electron in a 5f orbital?

6) What are the possible values for the follwing quantum numbers in an atom?

a. n

b. l

c. ml

7)Electromagnetic radiation of 500nm wavelength lies in the _____ region of the spectrum,

8) Predict the ideal bond angels around carbon in C2I2 using th emolecular shape given by the VSEPR theroy.

PLEASE SHOW ALL WORK AND DO EACH PROBLEM. Thanks!!!

Explanation / Answer

1. Cu- [Ar]4s2,3d9--- 1s22p63s23p64s23d9

Te-- [Kr] 5s2 4d5

2. a) 36

b) 30

   c) 10

3. E)n=4,   l=2, m1=1,   ms=+1/2

4. miu = 1/lamda

ans-- c) 1 dekahertz

5. n =5, l =3, mI = +3,+2,+1,0,-1,-2,-3, ms = +1/2 or - 1/2

6. n=1,2,3,4,5.....

l = 0 to (n-1)

mI = -l to +l

7. visble range

8. linear

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