<h2>Answer:</h2>
Option 3 is correct.
3. The molecular collisions are perfectly elastic.
<h2>Explanation:</h2>
According to the kinetic molecular theory, the molecular collisions are perfectly elastic, so the the molecules of a gas striking with the wall of container are elastic and they are exerting considerable pressure on the walls of container. This pressure is actually exerted against the walls is less for real gases as compared to ideal gases.
I am pretty sure it is the most reactive elements
Answer:
search the Lewis dot structure you will know the answer.
Answer:
iron deficiency (anaemia)
Explanation:
when there is lack of iron it causes anaemia
