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Chemical-Bonding-Atomic-Structure-PT-Properties-Part2

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

  1. 1. Ionic bonds are formed between:

a)

  1. A. Two metals                                                            
                                                      

b)

  1. B. Two nonmetals  

c)

  1. C. Metal and nonmetal

d)

  1.   D. Nonmetal and metalloid

2.

  1. 2. Which type of bond involves the sharing of electrons?

a)

  1. A. Ionic  

b)

  1.                             B. Metallic                                           

c)

  1. C. Covalent   

d)

  1. D. Hydrogen

3.

  1. 3. Which of the following compounds has ionic bonding?

a)

  1. A. H₂O       

b)

  1. B. CO₂          

c)

  1.                                               C. NaCl                             

d)

  1. D. CH₄

4.

  1. 4. A covalent bond where two pairs of electrons are shared is called a:

a)

  1. A. Single bond                                                            
                                                   

b)

  1. B. Double bond          

c)

  1. C. Triple bond

d)

  1. D. Metallic bond

5.

  1. 5. Metallic bonding is best described as:


a)

  1. A. Sharing of electrons between nonmetals

b)

  1. B. Transfer of electrons

c)

  1. C. A sea of delocalized electrons around metal cations

d)

  1. D. Electron pairing between metal and nonmetal

6.

  1. 6. Which subatomic particle has a negative charge?

a)

  1. A. Proton                                                  

b)

  1. B. Neutron    

c)

  1. C. Electron                  

d)

  1. D. Positron

7.

  1. 7. What is the mass number of an atom with 11 protons and 12 neutrons?

a)

  1.          A. 11                               

b)

  1. B. 23                          

c)

  1. C. 12                               

d)

  1. D. 22

8.

  1. 8. The nucleus of an atom contains:

a)

  1. A. Protons and electrons                                          
     

b)

  1. C. Protons and neutrons

c)

  1. B. Electrons and neutrons                                    

d)

  1.    D. Only electrons

9.

  1. 9. Which scientist proposed the planetary model of the atom?

a)

  1. A. Dalton   

b)

  1. B. Thomson   

c)

  1. C. Rutherford    

d)

  1.                                                       D. Bohr

10.

  1. 10. The atomic number of an element is equal to:
                              
                                  

a)

  1. A. Number of electrons   

b)

  1. B. Number of protons  

c)

  1. C. Number of nucleons

d)

  1. D. Number of neutrons

11.

  1. 11. How many valence electrons does carbon have?

a)

  1. A. 2                                                                                   

b)

  1. B. 4                   

c)

  1. C. 6    

d)

  1.   C. 6   

12.

  1. 12. The octet rule states that atoms tend to gain, lose, or share electrons to attain:

a)

  1. A. Two electrons                                 

b)

  1.     B. Six electrons     

c)

  1. C. Eight electrons 

d)

  1. D. Ten electrons

13.

  1. 13. Which atom can form only one covalent bond?

a)

  1. A. H                                                             

b)

  1. B. O                  

c)

  1. C. N                            

d)

  1. D. C

14.

  1. 14. In a correct Lewis structure, how many electrons surround the nitrogen atom in NH₃?

a)


  1. A. 6                                                         

b)

  1.   B. 8                

c)

  1.    C. 10                           

d)

  1. D. 2

15.

  1. 15. How many lone pairs are on the oxygen atom in water (H₂O)?
                                                                                                         

a)

  1. A. 0  

b)

  1. B. 1 

c)

  1. C. 2 

d)

  1.   D. 3

16.

  1. 16. The most electronegative element is:

a)

  1. A. Fluorine                                                         

b)

  1. B. Oxygen   

c)

  1. C. Nitrogen           

d)

  1. D. Chlorine

17.

  1. 17. Which element has the largest atomic radius?

a)

  1. A. H                                                          

b)

  1. B. Na                

c)

  1. C. K                             

d)

  1.   D. Rb

18.

  1. 18. Which of the following is a noble gas?
                                                                                                        

a)

  1. A. N  

b)

  1. B. F 

c)

  1. C. Ar 

d)

  1. D. Cl

19.

  1. 19. What is the molecular geometry of CH₄?
                                                                          
                                                        

a)

  1. A. Linear

b)

  1. B. Trigonal planar  

c)

  1. C. Bent

d)

  1. D. Tetrahedral

20.

  1. 20. Which of the following has a bent shape?
                                                                           

a)

  1. A. CO₂            

b)

  1. B. NH₃    

c)

  1.    C. H₂O

d)

  1. D. CH₄

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