The Periodic Table of the Elements is an ingenious chart. It is a tool for understanding how each element relates to other elements and predicting how it will react to other elements etc. If you know the location of an element on the Periodic Table of the Elements, you know how many shells it has and how many it has, which tells you whether its a metal, nonmetal, or a metalloid or semimetal. a. Valence Electrons
b. mass number
c. neutrons
d. atomic mass

solute : a solute is a substance that is dissolved in another substance is known as a solvent. it is mixed with a special mixture know as homogeneous mixture.

solvent: a solvent is a substance that dissolved a solute, which results in a solution is known as solvent.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error