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Question

What will be the atomicity of:

a) The molecule which we consume during respiration and is released during photosynthesis.

b) The red coloured element which we use to make matchboxes.

c) The pale blue gas which forms a layer that absorbs sun's UV radiation.


  1. 2, 3, 4 respectively

  2. 4, 2, 2 respectively

  3. 2, 4, 3 respectively

  4. 2, 4, 2 respectively


Solution

The correct option is C

2, 4, 3 respectively


The elements are oxygen, phosphorus and ozone respectively. So their atomicity is 2, 4, 3 respectively as the oxygen molecule has 2 atoms each, ozone molecule has 3 oxygen atoms combined together and phosphorus element has 4 phosphorus atoms combined together.

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