Chemistry, asked by northhyderoad, 3 months ago

describe the pattern in the physical and chemical properties of the group 7

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Answered by ritisha14

The table shows the colour and physical states of chlorine, bromine and iodine at room temperature and pressure. The melting points and boiling points of the halogens increase going down group 7, and their colour gets darker. The group 7 elements exist as diatomic molecules . ... Astatine is placed below iodine in group 7.

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