adanamohamed9 adanamohamed9

17-06-2020
Chemistry

contestada

an element x is found to have a mass number of 31 and atomic number of 17. idenrify the group and the period to which it belongs?

Respuesta :

walker916 walker916

17-06-2020

Answer:

Well atomic number 17 is Chlorine, which is most commonly found as a gas, and is period 7.

Explanation:

elements found on period 7 are some of the most unstable elements.

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