Explain what valence electrons are, cite information from the articles/lesson and draw a diagram on a separate sheet. Also, state which number indicates the energy level of an atom's valence electrons
(period, group, atomic number, or atomic mass?).

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

What is the vapor pressure of a solution with a benzene to octane?

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution