physical science

what is transition metal number 24

a common solid halogen

family 13 bears this name

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  1. transition metal 24 is Cr (chromium?)

    the halogens are fluorine, chlorine, bromine, Iodine, and astatine. I don't know which one is a common solid though

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  2. F2 is a gas.
    Cl2 is a gas.
    Br2 is a liquid.
    I2 is a solid.
    At (astatine) is not a common halogen.

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