I’m really confused can some one please help me

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What happens to isotopes that are unstable?

If two identical atoms are bonded,what kind of molecule is formed