1. The horizontal rows of elements in the periodic table are called periods

2. The element in period 3 with 3 valence electrons is aluminum

3. How many valence electrons does the halogen family have 7

4. The modern periodic table is based on increasing Atomic number

5. Who arranged the p.t. in increasing atomic number Henry Moseley

6. The elments to the right of the dark zig zag line (but not touching the line) are nonmetals

7. Metals can be hammered into thin sheets and are bendable. This is called malleable

8. The family that is most likely to lose 2 electrons to become stable Alkaline earth metals

9. Who moved Th, Pa and U into the Actinide series? Glenn Seaborg

10. What period 5 element has 7 valence electrons? Iodine

11. What family 13 element is a metalloid? Boron

12. The electrons found in the outermost energy level of an atom are called Valence electrons

13. The only element without a family is Hydrogen

14. An atom of an element that has gained or lost a neutron is called an isotope

15. Which is bigger? Francium (87), Argon (18) or Boron(5) Francium

16. Which has greater electronegativity? Sodium (11), Aluminum (13) or Argon(18) Argon

17. Which family is most likely to gain 2 electrons to become stable? Chalcogen/Oxygen

18. The ability to be drawn into thin wires is called ductile

19. Luster is a property of metals

20. Which of the following is a metalloid? sodium, copper, germanium, iron Germanium

21. Elements that lose electrons to become stable are generally metals

22. Which element has a mass number of 56 Iron

23. Who developed the first periodic table? Dmitri Mendeleev

24. What is another name for group? Family

25. All families share the same number of Valence electrons

26. How many valence electrons does the first energy level hold? 2

27. How many valence electrons does the second energy level hold? 8

28. Will family 13 form cations or anions? cations

29. What will the charge of family 13’s cations be? 3+ or +3

30. The Lanthanide Series and the Actinide Series make up the family known as? Rare Earth Metals

31. The elements labeled 3B-8B are called Transition metals

32. The noble gas that is radioactive is Radon

33. Which has greater electron affinity? Calcium (20), Germanium (32) or Krypton (36) Krypton

34. Which has greater reactivity? Lithium (3), Sodium (11) or Potassium (19) Potassium

35. Which is more metallic? Lithium (3), Beryllium (4) or Boron (5) Lithium

36. Which has more electronegativity? Magnesium (12), Aluminum (13) or Sulfur (16) Sulfur

37. Which period is the Actinide Series elements in? 7

38. What family is atomic number 26 in? Transition metals

39. Cesium, Francium and Rubidium are in this family Alkali metals

40. Which family—Alkali metals or Alkaline Earth metals—are more reactive? Alkali metals

41. Which family is least reactive? Noble gases

42. Why are the noble gases least reactive? Filled outer shell – stable octet

43. How many electrons will the Chalcogen/oxygen family take to reach the stable octet? 2