Question

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.

Answer 1

Ans : (3) The element X could have an atomic weight 7 and its oxide formula is X₂O.