| A | B |
|---|
| Bromine | brown liquid nonmetal in Group 7A |
| Iodine | purple crystalline solid in Group 7A |
| Oxygen | colorless, odorless gas necessary for life |
| Sulfur | yellow, brittle or powdered nonmetal in Group 6A |
| Hydrogen | Most abundant element and gas in the universe |
| Nitrogen | colorless, odorless gas that makes up 80% of our atmosphere |
| Phosphorus | nonmetal in the same family as Nitrogen--found in fertilizers |
| Chlorine | yellowish-green gas that is toxic and found in Group 7A |
| Neon | gas that is relatively nonreactive and used in lights |
| Sodium and Potassium | alkali metals that are very reactive in water |
| Copper | orange, lustrous metal that is used to make electrical wires |
| Carbon | can be found in three forms: Charcoal, Diamond, and Graphite |
| Aluminum | lightweight metal that is used to make cans and airplanes |
| Mercury | A metal that is liquid at room temperature and very dense |
| Nickel | Metal used in making coins and jewelry |
| Iron | Metal used to make steel and cast iron |
| Tin | Used to coat the inside of food cans |
| Helium | "Lighter than air" gas that is nonreactive |
| Arsenic | Metalloid that is a cumulative poison in the human body |
| Lead | "Heavy metal" that is used to make fish sinkers and bullets |
| Gold | This noncorrosive metal has been valued since early man discovered it in veins. |
| Silver | Metal used to make "sterling", it does tarnish. |
| Calcium | Alkaline earth metal that is needed to form strong bones. |
| Magnesium | Alkaline earth metal that burns with a bright, white light. |
| Osmium | Densest of all metals. |
| Cadmium | Used to make batteries, this metal is in the same family as zinc. |
| Zinc | Metal used to "galvanize" pails and roof sheet metal. |
| Uranium | Radioactive actinide that is used in nuclear warheads. |
| Tungsten | Metal that is highly resistant to electricity--used in lightbulb filaments. |
| Strontium | Alkaline earth metal that burns with a bright red color and is used in road flares. |
