Answer:
The correct answer is option (B) Two molecules of H2 and a molecule of O2 must collide at one time
Explanation:
2H2(g) + O2(g) → 2 H2O(g)
2 1 2
Considering the given reaction, for water molecule to be form, two molecules of hydrogen and one molecule of oxygen must collide at the same time. The product obtained from the collision is two molecules of water as steam. 2 H2O(g)
Answer:
It usually leads to more confidence in the results
Answer:
B
Explanation:
This is because the periodic table is designed this way.
Answer:
D is wrong
Explanation:
it doesn't involves any kind of sharing of electrons
