Hello my friend,
No. of valence electron determine the reaction between elements.
hope it helps☺☺
Answer:
Your answer would be D, Hope this helps.
HEY THERE!
THE ANSWER IS: the properties of an ideal gas are: An ideal gas consists of a large number of identical molecules. The volume occupied by the molecules themselves is negligible compared to the volume occupied by the gas. The molecules obey Newton's laws of motion, and they move in random motion.
CREDITS:<span>physics.bu.edu/~duffy/py105/Idealgas.htm</span>
A)Cu2O(s) + C(s) ———> 2Cu(s)+ CO(g)
B)H2(g) +Cl2(g)———> 2HCl(g)
