Download Midterm TEKS Check Review 1. Define the following terms

M idterm TEKS Check Review
1. Define the following terms:
a. Chemical property
b. Physical property
c. Intensive property
d. Extensive property
2. Identify the described properties as Physical (P) or Chemical (C) and Intensive (I) or extensive (E).
a. odorless
e. soft, silver-white
b. mass of 5.00 grams
f.
reacts violently with water
c. tarnishes rapidly in air
g. reacts with acid
d. boiling point of 883 C
3. Identify the major contribution of each of the following to current atomic theory (be sure to include
any model that they proposed and the experiment that they did):
a. Dalton
c. Bohr
b. Rutherford
d. Electron Cloud Model
4. The modern periodic table is arranged according to increasing atomic ________________.
5. The atomic number is equal to the number of _____________________.
6. The atomic mass is equal to the _____________________ + ______________________.
7. Electrons in the highest energy level are known as __________________ ________________ and are
available to be lost, gained or shared when molecules are formed.
8. Isotopes have the same number of ___________________ but different ____________________.
9. What causes an atom to be neutrally charged?
10. Describe how an atom would become negatively charged.
11. Rows on the periodic table are called ______________________________ and columns on the periodic
table are called ______________________________ or __________________________.
12. Elements in the same family have similar _________________________.
13. Complete the following chart:
Isotope
Name
Nuclear
Symbol
Atomic
Number
Mass
Number
5
11
# of Protons
# of
Neutrons
# of
Electrons
136
87
Carbon-13
17
7
N-3
14. Be sure that you know how to graph and how to find slope.
Data:
Volum e (cm 3)
M ass (g)
1.6
1.67
1.79
1.71
1.7
1.71
0.95
0.91
0.635
0.68
Slope: The slope of this graph represents
the ______________.
This substance could be:
a) Gasoline (.7 g/mL)
b) Water (1 g/mL)
c) Magnesium (1.7 g/cm3)
Use this graph of mass spec data to answer questions #15
– 18.
15. What masses of isotopes are observed?
16. What percentage of each isotope is observed?
17. What is the average atomic mass of the element? SHOW ALL WORK!
18. Atoms of what element is presented in the graph?
19. Write the full and shorthand electron configurations for
a. Beryllium
b.
20. Draw the electron dot diagrams for the following
a. Sodium
b. P-3
21. Label the families on the periodic table
(including the metals, nonmetals, and
metalloids):
22. Define each of the following periodic trends,
identify their trends along a period and
down a group, and why this happens:
a. Atomic Radius
b. Ionization Energy
c. Electronegativity
Al+3
23. Arrange these elements in order of increasing ionization energy: F, Br, I, Cl
24. Arrange these elements in order of increasing electronegativity: Al, Si, Cl, S
25. Arrange these elements in order of increasing atomic radius: As, N, P, Bi
26. Fill in the following electromagnetic spectrum with the types of radiation:
27. Describe the relationship between the following variables:
a. Wavelength and Frequency
b. Frequency and Energy
c. Speed of different types of electromagnetic radiation
28. Briefly describe what happens that allows you to see colors in the flame test lab.
29. What is the energy of a quantum of light with a frequency of 4.31 X 1014 1/s or Hz?
30. A certain violet light has a wavelength of 413 nm. What is the frequency of the light?
31. What is the energy of light with a wavelength of 662 nm?