Download Questions on The Periodic Table

Questions on The Periodic Table
1. How did Doberiner classify the elements?
2. How did Newlands classify the elements and how was it initially received?
3. Why did his method fail beyond the element calcium and would it work today for the first
20 elements?
4. How did Mendeleev and Meyer organize the elements?
were their periodic tables the same?
How else
5. Why is Meneleev called the “father of the modern periodic table” and not Meyer or both?
6. What were the problems that arose when more elements were discovered are more
accurate atomic weights determined? Give examples.
7.What are the three particles making up the atom, their mass, charge and location?
8. What is the mass number of an atom?
9. What is the atomic number of an atom and why is it important?
10. What are isotopes? Give an example.
11. What is the basis of the arrangement of the modern periodic table?
12. What is true of elements 1-92? What is true of elements above 92 on the table?
13. Who was it that did the work showing the modern basis for the periodic table?
14. Who was responsible for developing the Actinide series and what did he discover?
15. What are groups on the periodic table ?
16. How many of each type of group are there and how are they referred to?
17. What is the more recent way of numbering the groups?
18. What are periods on the periodic table and how many are there?
19. What is meant by the group relationship on the periodic table?
20. Where are the alkali metals found and what are some of their characteristics?
21. Where are the alkaline metals found and what are some of their characteristics?
22. Where are the halogens found and what are some of their characteristics?
23. Where are the noble gases found and what are some of their characteristics?
24. What are the three classes of elements on the periodic table and what are their general
locations?
25. Give a number of characteristics of metals and which is the largest group of metals?
26. How many valence electrons to metals usually have?
27. What are valence electrons and why are they important?
28. What are examples of metals?
29. What are the inner transition elements and where are they found?
30. What are the lanthanides?
31. What are the lanthanides also known as and why?
32. What are the actinides?
33. What is true of the actinides?
34. What are the majority of elements on the periodic table?
35. Give examples of three nonmetals.
36. Give several characteristics of nonmetals?
37. How many valence electrons do nonmetals have?
38. What is true of the chemical and physical properties of metalloids (semimetals)?
39. Where are metalloids found on the periodic table, and how many are there?
40. What is a semiconductor?
41. How can a semiconductors conducting ability be increased?
42. Why are semiconductors important?
Answer the Review Questions
43. What does electron configuration determine in an element?
44. Why do elements in the same group have similar chemical properties?
45. How many electrons do the elements in group 1A have in their outer energy level?
46. How does increasing atomic size affect the elements in a group?
47.What is the general formula for group 1A elements based on valence electron and period
it is in?
48. What are the general formulas for groups 2A and 3A?
Fill in the general formulas for the other A group elements on section three on the handout.
49. What is true of the Groups 8A elements in terms of reactivity, and what are they called?
50. What are the transition elements also called and why?
51. What are the different sublevels each transition series is filling up?
52. What is the general formula for the outer “s” and “d” sublevel configuration for the
transition elements?
53. What sublevels are the inner transition series filling up?
54. What is the general formula for outer “s” and “f” sublevel configuration for the inner
transition elements?
Answer the questions for section 4 on the handout
55. What is the definition for atomic radius for metals and nonmetals?
56. What is the trend in atomic radius across a period as atomic number increases?
57. What is the trend in atomic radius within a group as atomic number increases?
58. What is the trend across a period, left to right in classes of elements?
59. What is an ion and how are they formed?
60. What is the charge and size of an ion in comparison to its atom when it gains electrons?
What kind of ions form this way?
61. What is the charge and size of an ion in comparison to its atom when it gains electrons?
What kind of ions form this way?
62. In general what happens to the size of positive ions as you move left to right across the
periodic table?
63. In general what happens to the size of negative ions as you move left to right across the
periodic table?
64. What happens to the size of both positive and negative ions as you move down a group?
65. What is ionization energy?
66. How do 2nd and 3rd ionization energies compare to 1st ionization energies?
67. What are ionization energy trends within a period and within a group?
68. What does the octet rule state?
69. What do atoms tend to do to get a noble gas arrangement of electrons?
70. What do metals tend to do to get a noble gas arrangement of electrons?
71. What do nonmetals tend to do to get a noble gas arrangement of electrons?
72. What is electronegativity?
73. What are the trends in electronegativity within a group and within a period?
Do the Review Sheet Handout