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7 Organic chemistry

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Question 90

A molecular modelling program represents each atom by one sphere. One model represents a molecule of an alkene and contains 27 spheres in total.

a.

Calculate the number of carbon atoms and the number of hydrogen atoms in the molecule.

[2]
b.

The program changes the molecule to the alkane with the same number of carbon atoms.

Calculate the total number of spheres in the new model.

[2]
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7 Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /7 Organic chemistry

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