Explain the behavior of solutions, suspensions and colloids. Explain nuclear decay, the concept of half-life, and the diagnostic and therapeutic uses of ionizing radiation. Write the names and symbols for the metric units used in measurements of length, volume, mass, time and temperature. Write the numerical value or name of a metric prefix. Write an equality for two metric units used in measurements of length, volume, mass, time or temperature.
Report answers to calculations using the correct number of significant figures.
Write a conversion factor for two units that describe the same quantity. Set up a problem using one or more conversion factors to change from one unit to another. Calculate the density or specific gravity of a substance, and use the density or specific gravity to calculate the mass or volume of a substance. Given the atomic number and the mass number of an atom, state the number of protons, neutrons, and electrons present in the atom. Use the periodic table to identify the group and the period of an element and whether it is a metal or a non-metal.