Test

Unit 3-7 Test pages 172-203    Name                                                      .____   Hr_____

Multiple Choice/Guess

1.____ Which of the following elements is most like Ca?                                                         100 pts

         A) Potassium.                              C) Hydrogen.

         B) Barium.                                  D) Chromium.

2._____Which of the following is NOT a Diatomic molecule?

         A) Helium.                              C) Bromine.

         B) Chlorine                             D) All three are diatomic molecules.

3.____ Which family of atoms would have 4 valence electrons?

         A) Halogen Family             C) Carbon Family

         B) Noble Gas Family          D) Boron Family

4.____ Which of the following is not a metal characteristic?

         A) Forms Hydrogen in acids. C) Nondconductive.

         B) Malleable.                      D) All three are metal characteristics.

5.____ Which family of atoms is also known as Chalcogen?

         A) Alkali Metal                   C) Nitrogen Family

         B) Alkaline Earth Metal     D) Oxygen Family

6.____ Which family of atoms has the most energy in their bonds?

         A) Alkali Metal                   C) Nitrogen Family

         B) Alkaline Earth Metal     D) Oxygen Family

7.____ Which prefix represents the subscript six?

         A) Octa                                       C) Hepta

         B) Hexa                                           D) Nona

8.___   Which number represents the prefix Tetra?

         A) 2                                 C) 6

         B) 4                                     D) 8

9.___   The group 8A elements are called______.

         A) Halogens                                 C) Transitions metals

         B) Alkali metals                              D) Noble Gases.

10___  Which of the following would most likely conduct electricity, produce Hydrogen in acids, exhibit ductility, have luster, and be malleable?

         A) Metals.                           C) Metalloids

         B) Nonmetals.                                 D) Semimetals.

True or False

11___  Boron would be classified as a nonmetal.

12___  The periodic table is mostly metals.

13___  Every Helium atom has 2 protons.

14___  Neon is a diatomic molecule.

15___  If something is ductile, it means it can be pounded into a different shape.

16___  Radioactive elements can give off mass and energy.

17___  Element 93 is a natural element.

18___  Some elements are named after famous scientists.

19___  Copper is a transition metal.

20___  Sodium is a very reactive Alkaline Earth Metal.

Essay/Completion

21. Name four families on the periodic table, list a unique fact about each, then list an example of each (15 pts)

22. Calculate the % mass of each element in the following compounds.(10 pts)

A)    B5C3BrCl2   

B)    P2H12O4                        

23. Name and describe four characteristics of nonmetals or metals. Circle your choice! (10 pts)

24. List four facts from the written portion of the article on page191 in the book, and list how one of these impacts you personally? (5 points)

25. Name and describe the three major divisions of the periodic table then give an example of each. (10 points)

26. Write the proper name or symbol(Opposite of listed) and calculate the mass for the following: (15 points)

A) Pentanitrogen Octahydride               B) ClO3                                            C) Decaphosphorous Monoiodide                                

D) S2P5                                                       E) Carbon Tetraoxide

27.  Write the proper name for five prefixes and list the number represented by each one.  (10 points)

28.  Why is it good to know if a substance is a metal or nonmetal before you decide to use it for a building project?  Explain the reasons based on the qualities. (5 points)