1. Human Multiple Choice
Unit 2 Test Review Game

2. 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

3. 2. The 2nd energy level of the Bohr Diagram can hold ____ electrons4 8 18

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

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

6. 5. The elements that form a -3 anion are known as
The Pnicogen Family
The Carbon Family
The Chalcogen Family
The Halogen Family

7. 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.

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

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

10. 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

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

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

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

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

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

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

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

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

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

22. 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.

23. 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

24. What does the thermometer measure?
32.8 °C
32.80 °C
37.80 °C
37.8 °C

25. Convert 1.11 x 10-2 to standard notation.
111
111.0
.0111
.00111

26. The 42 cm x 32 cm is correctly reported as:

27. Convert 59,000,000 to scientific notation.
59 x 107
5.9 x 107
5.90 x 10 -7
5.90 x 107

28. Which of the following is the worst example of kinetic energy?
A hot cup of tea
A dog swimming
A cat jumping
A picture hung high on a wall

29. How many grams are in 21 ounces?

30. How much heat is required to change the temperature of 53 grams of water from 20.0°C to 70.0°C? (Q = mCΔT) (Cp water = J/g°C) J
11000 J
11100 J J

31. How many half-lives does it take for a sample to degrade to 1/32th of its original amount?4 5

32. An unknown substance has a half-life of 29 minutes
An unknown substance has a half-life of 29 minutes. After 87 minutes, what percentage of the original amount remains?
3 %
50%
25%
12.5%

33. What is happening to kinetic and potential energy at B-C.
KE is increasing and PE is increasing.
KE is increasing and PE is decreasing.
KE is constant and PE is increasing.
KE is constant and PE is decreasing.

34. As you move left to right on the periodic table, your ionization energy _____ because ______.
Decreases; your number of distance between the proton/nucleus and valence electron increases.
Increases; your number of distance between the proton/nucleus and valence electron increases.
Increases ; your number protons increases.
Decreases; your number of protons decreases.

35. Which of the following elements has the largest ionization energy?Si Ge Pb Fl

36. The number that has four sig figs is:
1219.0
0.0004

37. Tie breakers: Why does ionization energy decrease as you go to from right to left?
Because there are less electron shells pulling on the protons.
Because there are more protons pulling on the valance electrons.
Because there are less protons pulling on the electrons.
Because attractive forces decrease due to an increase in distance.

38. Tie breakers: Why does atomic radius increase while moving left?
Because there are less protons, resulting in a smaller attractive force.
Because there are more protons, making the radius larger.
Because there are more electron shells, making the atom larger.
Because there are more protons, resulting in a larger attractive force.