Chapter 5 Test Review

Matching I H A C B F G E D A. periodic law B. group C. period _____ 1. the number of periods on the periodic table _____ 2. the number of groups on the periodic table _____ 3. the repeating chemical & physical properties of elements change periodically with the atomic numbers of the elements _____ 4. a horizontal row of elements in the periodic table _____ 5. a vertical column of elements in the periodic table _____ 6. Mendeleev arranged the elements in rows by increasing ___ ___. _____ 7. The modern periodic table organizes elements by ___ ___. _____ 8. the first man to design a way to organize the elements _____ 9. the man who arranged the elements by atomic number H A. periodic law B. group C. period D. Moseley E. Mendeleev F. atomic mass G. atomic number H. 18 I. 7 A C B F G E D

Use the periodic table for this: _____ 10. the chemical symbol for silver _____ 11. what period is silver in? _____ 12. what group is silver in? _____ 13. the atomic number of silver ____________ 14. the atomic mass of silver _____ 15. the chemical symbol for an element that has properties similar to silver Ag 5 11 47 107.87 Cu Au Rg

Matching A. anion B. cation C. ion D. metal E. nonmetal F. metalloid _____ 16. an element that is shiny and conducts heat/electricity well _____ 17. an atom that has gained or lost one or more electrons and has a positive or negative charge _____ 18. other name for a semiconductor _____ 19. an element that conducts heat/electricity poorly _____ 20. an element that conducts electric current better than an insulator but not as well as a conductor _____ 21. a positive ion _____ 22. a negative ion C A. anion B. cation C. ion D. metal E. nonmetal F. metalloid G. semiconductor F E G B A

Identify the following characteristics as belonging to a metal, nonmetal or metalloid. _____ 23. may be solids, liquids or gases at room temperature _____ 24. share properties with metals and nonmetals _____ 25. ductile and malleable _____ 26. not shiny _____ 27. poor conductor of heat/electricity B A. metalloid B. nonmetal C. metal A C B B

Fill in the chart, using a periodic table: element group # valence electrons electrons needed to fill outer energy level ion formed cation or anion I 17  7 1 -1 Anion Ca 2 6 +2 Cation B 13 3 5 +3 S 16 -2 K +1 cation

Matching A B G F C D E electron arrangement B. valence electrons _____ 33. The periodic trends in the periodic table are a result of ___ ___. _____ 34. The chemical properties of each group are determined by the number of ___ ___ _____ 35. Atoms with fewer than four valence electrons ___ electrons _____ 36. Atoms with more than four valence electrons ___ electrons. _____ 37. If an element is giving an electron away, the ion formed will be ___. _____ 38. If an element is receiving an electron, the ion formed will be ___. _____ 39. Atoms gain or lose electrons in order to have a full ___ ___. electron arrangement B. valence electrons C. positive D. negative E. outer level F. gain G. lose B G F C D E

Periodic table 18 1 17 ng 2 1 aem 13 14 15 ha 16 2 am 3 4 5 6 7 8 9 10 Put in the group numbers and period numbers. Draw in the stair-step line that separates metals from nonmetals. Label each section of the PT using the following key: la = lanthanides ac = actinides ha = halogens tm = transition metals am = alkali metals aem = alkaline earth metals ng = noble gases 18 1 17 ng 2 1 aem 13 14 15 ha 16 2 am 3 4 5 6 7 8 9 10 11 12 tm 3 4 5 6 7 6 la ac 7

Periodic table S Q R P I E T A B C D F O K Y N L Z M D A C B F G 40) list all the alkali metals _________________________ 41) list all the alkaline earth metals ___________________ 42) list the metalloids ______________________________ 43) list the nonmetals ______________________________ 44) list the transition metals _________________________ 45) list the noble gases _____________________________ 46) list the halogens _______________________________ 47) list the elements with 5 electrons in the outer energy level ________ R P I E T A B C D F O K Y N L Z M D A C B F G

matching A. halogens B. alkaline earth metals C. noble gases D. transition metals E. alkali metals F. hydrogen C _____ 48. nonmetals that are nonreactive _____ 49. most reactive nonmetals _____ 50. most abundant element in the universe _____ 51. most reactive metals _____ 52. metals with 2 valence electrons that form 2+ cations _____ 53. metals that can form as many as 4 different ions A F E B D

Short answer Explain why elements in a group on the periodic table have similar chemical properties. They have the same number of valence electrons 55. What on the periodic table tells us the number of valence electrons an element has?  the group number What on the periodic table tells us the number of energy levels an element has? The period number

Multiple choice A _____ 57. As you move from left to right across the periodic table, elements a) become less metallic b) have a lower atomic number c) have a lower atomic weight d) become more metallic _____ 58. Mendeleev left gaps in his periodic table because a) the table was too small b) protons belonged there c) the table was too full d) no known elements fit there D

Multiple choice C _____ 59. As you move from up to down in a column of the periodic table, elements have a) fewer protons b) a lower atomic number c) a higher atomic number d) a higher group number _____ 60. What is the location of elements in the periodic table related to? a) color b) number of electrons c) atomic weight d) electron arrangement D

Multiple choice A _____ 61. Elements that belong to the same group have the same number of a) valence electrons b) neutral electrons c) inner electrons d) total electrons _____ 62. Group 17 elements form a) anions b) cations c) metals d) semiconductors A

Multiple choice B _____ 63. Most elements are a) nonmetals b) metals c) metalloids d) semiconductors _____ 64. Elements in an element family have similar a) atomic symbols b) atomic sizes c) atomic weights d) chemical properties D

Multiple choice A _____ 65. Which of the following is NOT true of noble gases? a) they are highly reactive b) they exist as single atoms c) they belong to Group 18 d) they are nonmetals

Name the highlighted family/group!!!

How many valence electrons?

What ion is formed?