If you have ever peeled the label off a glass jar, you may have noticed that the glue does not easily wash off with water. Howev
er, it can be easily removed with another common household solvent– fingernail polish remover (ethel acetate). What does this tell you about the chemical composition of the glue? Explain your answer.
What are the small packets of energy called? Small packets of energy are called quanta (plural of quantum). In case of electromagnetic radiations (eg. light), the small, discrete particles of energy are called photons.
