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Group 7 (halogens) – chlorine, bromine and iodine

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Question 6

Iodine is an element in Group 7 of the Periodic Table.

Which of these is the formula for a molecule of iodine?

2I2\text{I}2I

I2\text{I}^2I2

I2\text{I2}I2

I2\text{I}_2I2​

Group 7 (halogens) – chlorine, bromine and iodine Questions

  1. IGCSE
  2. /Chemistry
  3. /Group 7 (halogens) – chlorine, bromine and iodine