7. What happens to the range of energies of the particles in matter when the temperature is increased?
The range of energies becomes broader.
The range of energies does not change.
The range of energies becomes narrower.
The range of energies cannot be determined.

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

What term describes technology that operates on an atomic level