ChemistryName :

Worksheet : Ch. 4-6 ; Obj. 31-32Date :

  1. Read pp. R6-R45 (back of book) and 161-169 and answer the following questions :
  1. The ______are the elements found in Group 1A.
  1. _____ (T/F) The alkali metals are not found in nature in their uncombined state.
  1. _____(T/F) The alkali metals have an outer electron configuration of s1.
  1. Name the two products that are always formed when an alkali metal reacts with water.
  1. The ______are the elements found in Group 2A.
  1. _____ (T/F) The alkaline earth elements are usually found in the uncombined state in nature.
  1. _____ (T/F) The alkaline earth elements have the outer electron configuration of s2.
  1. The ______group is Group 3A
  1. _____ (T/F) The aluminum group includes both metals and nonmetals.
  1. _____(T/F) The aluminum group has the outer electron configuration of s2p1.
  1. The ______group is Group 4A.
  1. State a use of silicon and germanium.
  1. ______chemistry is chemistry based on the element carbon.
  1. The ______group is Group 5A.
  1. _____ (T/F) Nitrogen and phosphorus are needed to form DNA and proteins.
  1. ______is the most abundant element on earth and makes up 20% of the atmosphere and about 60 percent of our bodies.
  1. The ______are the Group 7A elements.
  1. _____ (T/F) The halogens are almost as unreactive as the noble gases.
  1. _____ (T/F) Fluorine is the most reactive halogen followed in order by chlorine, bromine astatine and iodine.
  1. State two uses of the halogens.
  1. List four commonly used transition metals and list at least one use of each.
  1. _____ (T/F) The lanthanides are silvery metals with high melting points.
  1. _____ (T/F) The actinides are similar to the lanthanides and are radioactive.

24. _____ (T/F) Elements with atomic numbers above 92 are called the transuranium elements and do not occur naturally, but are synthesized in particle accelerators.

25. _____ (T/F) Hydrogen is the most abundant element in the universe.

26. _____ (T/F) Hydrogen shares many characteristics with the alkali metals.

27. _____ (T/F) Under some conditions hydrogen can act like a halogen and could be placed in Group 7A.

28. The ______are found in Group 0 and are also called the rare or inert gases.

29. _____ (T/F) The noble gases never form compounds.

30. _____ (T/F) The noble gases have an outer electron configuration of s2p6.

31. List three uses of noble gases