Three vertices of a square are (–2, 2), (–2, –3), and (3, –3).
what is the fourth vertex of the square?
a.
(–3, 2)
b.
(–2, 3)
c.
(3, 2)
d.
(3, 4)

C (3,2) because since you know that the sides of the square lie on the lines x=-2 and x=3 and the vertices are 5 units apart, the next side which lies on x=3 must be (3,2)

Element 17 is chlorine it is a group 7 element(halogen) and belongs to period 3 of the periodic table