What is the term for the force that holds protons and neutrons together in the nucleus of an atom?
a electromagnetism
b. gravity
c. the strong force
d the weak force

Explain what happens at the saturation point when adding salt to water at room temperature.

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?