1.

There is an element X with atomic number 16. A student was assigned a task to write down the features of the group to which this element belongs to. Help him find the group number of the element X so that he can complete his task.

Answer»

There is an element X with atomic number 16. A student was assigned a task to write down the features of the group to which this element belongs to. Help him find the group number of the element X so that he can complete his task.




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