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5-14 drills
Question | Answer |
---|---|
1. Groups 3-12 is called what family? | transition metals |
2. Which family on the periodic table does not bond with any other elements? | noble gases |
3. Which family is the most reactive metals on the periodic table? | alkali metals |
4. Which family is the most reactive nonmetals on the periodic table? | halogens |
5. Which family would most easily react with the Alkali Metals? | halogens |
6. Which of the following would be considered a semi-conductor: Aluminum, Beryllium, Boron, or Nitrogen? | boron |
7. What element is above the Alkali Metals, but does not belong to the Alkali Metals? | hydrogen group |
8. What are the 2 liquids on the periodic table? | mercury and bromine |
9. Of these 2 liquids, ________________ is a metal while ____________________ is a nonmetal. | mercury, bromine |
10. The properties ductile, malleable, good conductors of heat and electricity all are characteristics of the group represented by which family on the periodic table? | transition metals |
11. What element is most commonly used as a disinfectant in the water treatment system? | chlorine |
12. Some facilities use _______ to disinfect the remaining water during the water treatment process (not same answer as #11). | UV treatment |
13. This is the process where excessive amounts of nitrates and phosphates enters a body of water. Algae blooms form and oxygen levels decrease. | eutrophication |
14. 2 similar factors of estuaries and upwelling are? | both provide rich nutrients and are located at the coast |
15. _______________ and _______________ are added to the aeration tank during the secondary treatment of the water treatment. | bacteria and oxygen |