وصف - نماذج امتحانات - مراجع

وصف المقرر:

 

مقرر "كيمياء 110" عبارة عن مدخل إلى علم الكيمياء يهدف إلى تعريف الطلاب بأساسيات هذا العلم. ويحتوي هذا المقرر على عدة فصول، منها تصنيف المواد وخصائصها الفيزيائية والكيميائية، التركيب الذري، التفاعلات الكيميائية، الاتزان الكيميائي، الاحماض والقواعد و مقدمة في الكيمياء العضوية.

 

 

نماذج امتحانات:

 

Please choose the correct answer of the following:

1- Express 7500 nm as micrometer
a- 7.50 µm        b- 75.0 µm       c- 7.5 ´ 106 µm      d- 7.5 ´ 1012 µm



2- Which of these quantities represents the largest mass?
a- 2.0 ´ 102 mg        b- 0.0010 kg        c- 1.0 ´ 105 mg        d- 2.0 ´ 102 cg



3-
How many milliliters is 0.005 L?
a- 0.5 mL       b- 5 mL      c- 50 mL     d- 500 mL



4-
A sodium ion, Na+, has (p = protons and e = electrons)
a- 23 p and 11 e       b- 23 p and 10 e       c- 11 p and 12 e        d- 11 p and 10 e



5-
Use the following table and choose which of the species are neutral

atom or ion of element

A

B

C

D

E

F

Number of electrons (e-)

6

10

18

10

28

7

Number of protons (p)

6

8

17

11

30

7

Number of neutrons (n)

6

8

18

11

36

6

a- C and E       b- B and C       c- D and E       d- A and F



6-
Atoms with the same number of protons and with different number of neutrons are called
a- ions.       b- neutral atoms      c- isotopes.       d- different atoms.



7-
The elements in a column of the periodic table are known as
a- metal.         b- a period.         c- a group.        d- nonmetal



8-
Which one of these species is an ion?
a- B3+         b- NaCl        c- He       d- 14C



9-
The correct name for N2O3 is
a- nitrogen trioxide      b- dinitrogen trioxide    c- nitrogen oxide       d- dinitrogen oxide



10-
Which of these elements is chemically similar to copper?
a- sulfur       b- calcium      c- bromine       d- silver



المراجع:

        
       Chemistry, R. Chang, 2010, 10th edition, McGraw-Hill International Edition.
Chemistry, by Steven S. Zumdahl, 6th ed., Houghton Mifflin College Div.College publishing.
Chemistry, by Mortimer, 6th ed., Wadsworth Inc.

 

 


آخر تحديث
2/15/2013 7:14:56 PM