lovelly100 lovelly100

18-03-2021
Chemistry

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an element has atomic number of 17 state the elements group and period number

Respuesta :

chemhelperAZ chemhelperAZ

29-03-2021

Answer:

The element is in group 7, the halogens. The element is in the third period or row of the table.

Explanation:

Chlorine is element number 17.

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