Explanation:
As a substance melts, and goes from a solid to a liquid state, the kinetic energy of the molecules increases, and the molecules move faster, and they separate further and further away from each other. The intermolecluar forces holding the molecules together become weaker
Answer:
Be,Mg,Ca,Sr,Ba.Ra[down the group electronegativity is decreasing]
Explanation:
Population- The amou t of living organisms/beings that can live and thrive in a certain sized area
things that can cause organisms to compete
-Food
-Water
-Shelter*(I am not 100% on this, forgive me)
