The radiation given off by a radioactive source can be measured with a. The weak radiation should be recorded in units ofbecause the lab sources are extremely low on thescale. Radiation is a random event so it is best to make each measurement.

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?