Neutral atom that contains 19 electrons and 20 neutrons what atomic symbol

If a substance is not at its melting or boiling point, as the heat content of a sample of matter increases, its temperature increases the number of intermolecular bonds decreases the space between particles increases the particles move faster

What happens when the temperature of a solution increases?

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?