Question

Which of the following pair of elements could possibly be in the same group? (1 point)

X has a 1+ ion; Y has a 1- ion.

X has an atomic number 15; Y forms a 3- ion.

X tends to form a 2+ ion; Y tends to gain two electrons.

X will tend to gain one electron; Y has eight electrons in the outer orbit

Answer 1

B has an atomic number 15; B forms a 3- ion.

Answer 2

X srry

Answer 3

The anwser is B

Answer 4

lol thnk you