Element X forms a -2 ion. That ion contains 44 neutrons and 36 electrons. What element is element X? (Write the symbol)

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

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.

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?