Exercise N5 S3_5D MCQ online

 

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ExN5 S3_5D Chemical Formula.
 
  1. Write chemical formula for the following compounds
a) carbon tetrabromide b) copper (I) sulfide
c) vanadium pentoxide  d)  silicon dioxide
e) sodium bromide f) iron (III) sulfide
g) radium chloride h) phosphorus chloride
i) nitrogen chloride  j)  tin (IV) oxide
k) aluminium sulfide l) dinitrogen pentoxide
2.
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3.
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 4.
 In a hydrogen molecule the atoms share 2 electrons in a covalent bond.
Picture30
 Picture7
ii)  What shape is the ammonia molecule?
 5.
Write the chemical formula for the following elements
a) fluorine

b) magnesium

c) nitrogen

d) phosphorus
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