Exercise N5 S3_5A Chemical Formulae

Write the date in the margin of your homework jotter.

Write the title of this Exercise as a heading: Exercise N5 S3_5A Chemical Formulae

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1. 5.
Int1 MCQ7 2013


Int1 MCQ6 2014


     
2. 6.
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3. 7.
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4. 8.
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 a)  Identify those compounds containing oxygen
 
  b)  Identify those compounds containing 3 elements
 
 c)  Write the chemical formula for compounds:
 i) A
 
 ii) D
 
 iii) F
 10.

The Valency Method

Write the chemical formula for the following compounds:

(a) hydrogen chloride (b) phosphorous oxide
   
(c) nitrogen hydride (d) magnesium hydride
   
(e) carbon iodide (f) silicon oxide
   
(g) sodium chloride (h) potassium chloride
   
 11.

Using Prefixes

Write the chemical formula for the following compounds:

 

(a) sulfur trioxide (b) carbon dioxide
   
(c) dinitrogen tetroxide (d) dihydrogen oxide
   
(e) carbon monoxide (f) nitrogen trihydride
   
(g) dihydrogen dioxide
 
12.

Using Roman Numerals – Valency Method

Write the chemical formula for the following compounds:

(a) copper (II) oxide (b) silver (I) hydride
   
(c) cobalt (II) chloride (d) zinc (III) iodide
   
(e) iron (III) oxide (f) copper (I) hydride
   
(g) nickel (I) sulfide (h)  lead (I) sulfide
   
13.
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