Periodic Trends Review

1. Periodic Trends Review

2. Question 1 Which of these elements would have the lowest first ionization energy? A Element D B Element B C Element C D Element A

3. ANSWER #1 A Element D

4. Question 2 Of the following elements, which one would have the smallest radius? A Nitrogen (N, atomic #7) B Lithium (Li, atomic #3) C Boron (B, atomic #5) D Neon (Ne, atomic #10)

5. ANSWER #2 D Neon (Ne, atomic #10)

6. Question 3 The energy required to remove an electron from an atom is known as: A electron affinity B radioactivity C electronegativity D ionization energy

7. ANSWER #3 D  ionization energy

8. Question 4 Of the following elements, which one would have the smallest radius? A Fluorine (F, atomic #9) B Iodine (I, atomic #53) C Chlorine (Cl, atomic #17) D Bromine (Br, atomic #35)

9. ANSWER #4 A Fluorine (F, atomic #9)

10. Question 5 Of the following elements, which one would have the smallest ionization energy? A Lithium (Li, atomic #3) B Boron (B, atomic #5) C Nitrogen (N, atomic #7) D Neon (Ne, atomic #10)

11. ANSWER #5 A  Lithium (Li, atomic #3)

12. Question 6 Generally speaking, the group of elements with the highest first ionization energy is: A Group 16 B Group 17 C Group 18 D Group 1

13. ANSWER #6 C Group 18

14. Question 7 Given the representation of a chlorine atom, which circle might represent an atom of bromine? A Circle C B None of these C Circle B D Circle D

15. ANSWER #7 D circle D

16. Question 8 As one moves from down ( ↓ ) a group on the periodic table, the ionization energy of the elements encountered tends to: A decrease B stay the same C increase

17. ANSWER #8 A decrease

18. Question 9 The most active metals are located in the: A)upper right hand corner of the periodic table B)lower left hand corner of the periodic table C)lower right hand corner of the periodic table D)upper left hand corner of the periodic table

19. ANSWER #9 B)lower left hand corner of the periodic table

20. Question 10 The elements with the largest atomic radii are found in the: A upper left-hand corner of the periodic table B lower left-hand corner of the periodic table C upper right-hand corner of the periodic table D lower right-hand corner of the periodic table

21. ANSWER #10 B lower left-hand corner of the periodic table

22. Question 11 The measure of the attraction that an atom has for electrons involved in chemical bonds is known as: A ionization energy B electron affinity C radioactivity D electronegativity

23. ANSWER #11 D electronegativity

24. Question 12 The least electronegative elements are the: A Metalloids B Alkali metals C Halogens D Noble gases

25. ANSWER #12 B Alkali metals

26. Question 13 Of the following elements, which one would have the largest radius? A Neon (Ne, atomic #10) B Lithium (Li, atomic #3) C Boron (B, atomic #5) D Nitrogen (N, atomic #7)

27. ANSWER #13 B Lithium (Li, atomic #3)

28. Question 14 A vertical column ( ↓ ) of elements on the periodic table may also be referred to as a: A group B period C family D series

29. ANSWER #14 A group C family

30. Question 15 The elements with the smallest atomic radii are found in the: A upper left-hand corner of the periodic table B upper right-hand corner of the periodic table C lower left-hand corner of the periodic table D lower right-hand corner of the periodic table

31. ANSWER #15 B upper right-hand corner of the periodic table

32. Question 16 As one moves from down ( ↓ ) a group on the periodic table, the atomic radius of the elements encountered tends to: A increase B stay the same C decrease

33. ANSWER #16 A increase

34. Question 17 As one moves from left to right ( → ) within a period across the periodic table, the atomic radius of the elements encountered tends to: A stay the same B increase C decrease

35. ANSWER #17 C decrease

36. Question 18 As one moves from left to right ( → ) within a period across the periodic table, the ionization energy of the elements encountered tends to: A stay the same B decrease C increase

37. ANSWER #18 C increase

38. Question 19 Given the representation of a chlorine atom, which circle might a chloride ion, Cl-? A Circle D B None of these C Circle B D Circle C

39. ANSWER #19 A Circle D

40. Question 20 As one moves from down ( ↓ ) a group on the periodic table, the electronegativity of the elements encountered tends to: A decrease B increase C stay the same

41. ANSWER #20 A decrease

42. Question 21 Given the representation of a chlorine atom, which circle might represent an atom of argon? A Circle C B Circle B C None of these D Circle D

43. ANSWER #21 B Circle B

44. Question 22 Of the following elements, which one would have the largest radius? A Sodium (Na, atomic #11) B Cesium (Cs, atomic #55) C Hydrogen (H, atomic #1) D Potassium (K, atomic #19)

45. ANSWER #22 B Cesium (Cs, atomic #55)

46. Question 23 Cations have a ______________ charge and are ______________ than the atoms from which they formed. A positive/larger B positive/smaller C negative/smaller D negative/larger

47. ANSWER #23 B positive/smaller

48. Question 24 Of the following elements, which one would have the largest electronegativity? A Bromine (Br, atomic #35) B Chlorine (Cl, atomic #17) C Fluorine (F, atomic #9) D Iodine (I, atomic #53)

49. ANSWER #24 C Fluorine (F, atomic #9)

50. Question 25 Of the following elements, which one would have the largest ionization energy? A Cesium (Cs, atomic #55) B Sodium (Na, atomic #11) C Potassium (K, atomic #19) D Hydrogen (H, atomic #1)