8) When an equation is correctly balanced, it must show conservation of
A)
charge but not of mass
B)
mass but not of charge
C)
both charge and mass
D)
neither charge nor mass

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.

Compare and contrast physical changes with chemical changes.

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?