Question

An element X combines with another element Y to form
a compound XY3. Select the correct option for the above
reaction
(1) X contains three electrons in its outermost orbit
(2) Y is a metal
(3) X gains three electrons during formation of a
compound
(4) Y looses three electrons during formation of a
compound

Answer 1

Answer:

(1) X contains three electrons in its outermost orbit