Human Multiple Choice Unit 3 Test Review Game

1. Periodic describes Something that occurs at regular intervals Something that occurs very rarely Something that occurs frequently Something that occurs three or four times a year

2. The 2nd energy level of the Bohr Diagram can hold ____ electrons 4 8 18

3. The elements in each vertical column on the periodic table usually have similar properties and are called a(n) Period Group Element Property

4. The elements to the right of the staircase on the periodic table are called Metalloids Conductors Metals Nonmetals

5. The elements that form a -3 anion are known as The Boron Family The Carbon Family The Oxygen Family The Halogen Family

6. Which of the following is a property of alkali metals? They are so hard they cannot be cut. They are very reactive. They are stored in water. They have very few uses.

7. As you go across a period, atomic size Increases Decreases Stays the same Changes depending on the charge of the atom

8. How do the physical and chemical properties of elements change? Periodically within a group Periodically across each period Periodically within a family Periodically across each group

9. Transition metals are Not good conductors of thermal energy More reactive than alkali metals Not good conductors of electric current Used to make alloys

10. The ionic size is ______ than the atomic size in the alkaline earth metal family The same Larger Smaller Alkaline earth metals don’t make ions

11. Arrange the following elements from lowest to highest ionization energy: Be, Mg, Ca, Rb, Sr Rb < Sr < Ca < Be < Mg Rb < Sr < Ca < Mg < Be Be < Mg < Ca < Sr < Rb

12. The elements that have a stable octet are known as Alkali metals Alkaline earth metals Halogens Noble gases

13. The elements that form a +2 cation are known as Alkali metals Alkaline earth metals Halogens Noble gases

14. The properties of elements in a period of the periodic table follow A nonrepeating pattern A periodic pattern No pattern An unpredictable pattern

15. Most elements on the periodic table are Metals Nonmetals Metalloids Noble gases

16. When a metal atom becomes a cation… It gains an electron It becomes a different isotope Its atomic number changes Its ionic radius is smaller than its atomic radius

17. The halogens tend to from anions because… They have low first ionization energies They have low electron affinities They have high electron affinities They don’t; they form cations

18. Of Fe, K, P, and Cl, which would you expect to have the greatest electronegativity? Potassium Iron Chlorine Phosphorous

19. Unknown element X has four energy levels, five valence electrons, and is a metalloids. What is element X? Si Ge Se As

20. This group has mostly radioactive elements Alkali metals Transition metals Halogens Lanthanides & Actinides

21. The correct Bohr Model Diagram for Phosphorous-32 is: A) B) C) D)

22. Most metals are Solid at room temperature Bad conductors of electric current Dull Not malleable

23. What’s wrong with this Bohr model of Gallium? Missing Protons Too many electrons in the 3rd energy level Missing Neutrons All of the above.

24. Which wave has more energy? A) B) C)

25. Put the waves in order of increasing frequency. 1) A) 1, 2, 3 B) 3, 2, 1 C) 1, 3, 2 2) D) 2, 3, 1 3)

26. Of the following waves, which could represent red? 1) A) 1 B) 2 C) 3 2) 3)

27. Which has higher frequency, indigo or green?

28. Which element(s) can be found in the mixture? Li + Cd B) Sr + Cd C) Sr D) Li + Sr

In the even of a tie: What is NOT true of the element Rubidium? It is an alkali metal It has one valence electron It has low electron affinity Its radius is larger than cesium’s