What effect does a loan electron pair have on molecule shape (apex)

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

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.

Which of the following is most likely true about water in chemical solutions?