Potassium and nickel are in the same row of the periodic table. What do these elements have in common?(1 point)
Responses
A.They have similar physical properties.
B.They have similar reactivity.
C.They have the same number of valence electrons.
D.They have the same number of electron shells.
3 answers
C. They have the same number of valence electrons.
is this right?
No, D
It said ROW not Column
It said ROW not Column