Why do populations of bacteria in nature eventually stop growing

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Classify this reaction: 2al+n2-> aln.

Freezing 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.