14 gm of an element X combines with 16 gm of oxygen. On basis of this which of the following is correct ? (At.wt of oxygen = 16)
1) The element X could have an atomic weight of 7 and it's oxide formula is XO.
2) The element X could have an atomic weight 14 and it's oxide formula X2O3.
3) The element X could have an atomic weight 7 and it's oxide formula X2O.
4) The element X could have an atomic weight 14 and it's oxide formula XO2.