Question

Formula for element x of group 13 and element of group 16

Answer 1

All elements belonging to a common group have the same number of valence electrons.

Thus, if element X belongs to Group 13, it will have 3 electrons in its outermost shell.

If it belongs to Group 16, it will have 6 electrons in its outermost shell.

If the period is given, you can recognize the element easily! Hope this helps. Please mark as brainliest!

Answer 2

Answer:

all elements of grp 13 have 3 electrons in its outermost shell

all elements of grp 16 have 6 electrons in its outermost shell

so by the no. of valence electrons and considering their valency, we can determine the formula