TUTORIAL

WORKSHEET#10, CHEM001   (Chapter 10)  

 Name: ____________________________   Date: ___________________

1. How many valence electrons does fluorine have?    

2. How many unpaired electrons does nitrogen have?    

3. Identify the following element from its orbital diagram.  

 

 

 

 

4. Write the complete orbital diagram and electron configuration for bromine.  

 

 

 

 

5. Write the orbital diagram for the chlorine anion, Cl - .  

 

 

 

6. Which element has this electron configuration?  

1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 6 6s 2  

 

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ANSWER HEY

7- valence elections

3 unpaired elections

Zinc

electron configuration : 15252106353,064534104ps( Ar ] 4534104ps

orbital diagram : IttHttAAAHAHAHAHRt-1Is 2s 2ps 35 310 4S 3d

4pct:

AttaxA*ItIs 2s 2p 35 3p

-

Barium

WORKSHEET#10, CHEM001   (Chapter 10)  

 Name: ____________________________   Date: ___________________ 1. How many valence electrons does manganese have?  

  

 

2. How many unpaired electrons does silicon have?   

  

3. Identify the following element from its orbital diagram.  

 

 

 

4. Write the complete orbital diagram and electron configuration for copper.  

 

 

 

 

5. Write the orbital diagram for the sulfur anion, S - .  

 

 

 

6. Which element has this electron configuration?  

1s 2 2s 2 2p 6 3s 2 3p 6 4s 1 3d 5  

 

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ANSWER HEY

15252106353,50453452 valence electrons

2 unpaired e-

Si : 15252106353ps → tftHttt-

15 25 2pb 35 3ps

arsenic

15252106353106451-1319+1

152521063531064513410

*itHtttHtttHtt#t

s : 15252106353104 → 5 :152521063531050*It#HtttHtt

15 25 2p.

35 3ps

chromium