Which of the following pairs of elements could possibly be in the same group?

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

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

X will tend to gain one electron; Y has eight valence electrons.

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

Question

Which of the following pairs of elements could possibly be in the same group?
 
X has an atomic number 15; Y forms a 3- ion.
 
X has a 1+ ion; Y has a 1- ion.
 
X will tend to gain one electron; Y has eight valence electrons.
 
X tends to form a 2+ ion; Y tends to gain two electrons.

superhelp101 · Answer

@Somy so would this one be the first one?

superhelp101 · Answer

@texaschic101

somy · Answer

sorry os is lagging so bad ((((

superhelp101 · Answer

it is fine

somy · Answer

yup u r right first one is the right one

somy · Answer

the rest are all clearly different groups

superhelp101 · Answer

yay! thank you!

somy · Answer

u r welcome :))