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17 F. Some subatomic particles have an electrical charge. Fill in the missing information in this table: SUBATOMIC PARTICLE ELECTRICAL CHARGE LOCATION IN THE ATOM Protons Positive In the atom's nucleus Neutral Orbiting in shells outside of the nucleus G. Look at the periodic table of the elements on page 147. It lists all of the elements known to chemists at this time. The elements are listed in order of increasing atomic number. The number written above each element's symbol Atomic number is its atomic number. The number written below H Symbol the symbol is the atomic mass. Hydrogen Name 1.00794 Atomic mass Use the periodic table to answer the following questions: 1. How many elements are listed? 2. What is the lightest element? 3. In the Superman comic, the radioactive element kryptonite can be deadly to the hero. Is kryptonite a real element