Answer:
2
Explanation:
The compounds XCl₂ and X₃N₂ shows that the valency of X is 2. If they are ionic compounds then X is a metal. The metals having valency=2 mostly reside in group-2.
Answer:
E) 1, 2, and 3
Explanation:
50g H2O + 0.45g NaCl --> 50.45g saline solution
this is lithium ion with a +1 charge
Answer:
scientist never ignore the missing -parts of body
Explanation:
they take the missing bones as an opportunity to look into them as practical for pre medical student ,they are very costly sealed
D I believe peace out Hope this helps