Fundamental Chemistry CHM 130
Comprehensive Questions
(Frequently Tested) and Complete
Solutions Graded A+
Each of the following tasks is worth 2 points each.
1. Which of the following describes either the GAS, LIQUID, SOLID, state (phase), or NO
KNOWN state:
(A). It has a definite volume, but not a definite shape: LIQUID
(B). It has a definite shape and a definite volume: SOLID
(C). It has neither a definite shape nor a definite volume: GAS
(D). It has a definite shape, but not a fixed volume: NO KNOWN
2. What is the best term for a direct change of state from a gas to a solid? B
(A). condensation (B). deposition (C). sublimation
(D). vaporization (E). melting
3. Which of the following is a general characteristic of a nonmetallic element? E
(A). dull appearance (B). reacts with metals
(C). nonconductor of electricity (D). low melting point
(E). all of the above
4. Refer to a periodic table and predict which of the following is a liquid metal at 25°C and
one atmosphere pressure. D
(A). As (B). Br (C). Cl
(D). Hg (E). Xe
5. The addictive drug morphine, C17H19NO3, is used for the treatment of pain. What is
the total number of atoms in the chemical formula? C
Chandler Gilbert Community College
Fundamental Chemistry (CHM 130) 1
, (A). 4 (B). 39 (C). 40 (D). 42 (E). none of the above
6. Which of the following is an example of a physical property of ethanol? E
(A). colorless liquid (B). density, 0.789 g/mL (C). boiling point, 78.5°C
(D). specific heat, 0.511 cal/(g × °C) (E). all of the above
7. Which of the following observations is evidence for a physical change? B
(A). burning (B). dissolving (C). exploding
(D). fizzing (E). decomposing
8. If 0.391 g of potassium metal reacts with 1.269 g of iodine, what is the mass of
potassium iodide produced? D
(A). 0.391 g (B). 0.878 g (C). 1.269 g
(D). 1.660 g (E). impossible to predict from the given information
9. Isotopes have... A
(A). different mass numbers but the same atomic number
(B). the same mass number and the same atomic number
(C). the same mass number but different atomic numbers
(D). different mass numbers and different atomic numbers
10. Which of the following colors of light has the shortest wavelength? C
(A). blue (B). red (C). violet (D). yellow (E). green
11. Which of the following energy-level changes for an electron is least energetic? E
(A). 6 → 1 (B). 5 → 1 (C). 4 → 1 (D). 3 → 1 (E). 2 → 1
Questions #12-14 refer to "A" Group or Representative elements only.
12. Which element in the third period (n = 3) is expected to have the smallest first
ionization energy, IE1? Na
13. Which element in the third period (n = 3) is expected to have the largest first
ionization energy, IE1? Ar
14. When considering the elements K, Ca, and Z = 31 to Z = 36, which of these species is the
largest in radius? K
Chandler Gilbert Community College
Fundamental Chemistry (CHM 130) 2
Comprehensive Questions
(Frequently Tested) and Complete
Solutions Graded A+
Each of the following tasks is worth 2 points each.
1. Which of the following describes either the GAS, LIQUID, SOLID, state (phase), or NO
KNOWN state:
(A). It has a definite volume, but not a definite shape: LIQUID
(B). It has a definite shape and a definite volume: SOLID
(C). It has neither a definite shape nor a definite volume: GAS
(D). It has a definite shape, but not a fixed volume: NO KNOWN
2. What is the best term for a direct change of state from a gas to a solid? B
(A). condensation (B). deposition (C). sublimation
(D). vaporization (E). melting
3. Which of the following is a general characteristic of a nonmetallic element? E
(A). dull appearance (B). reacts with metals
(C). nonconductor of electricity (D). low melting point
(E). all of the above
4. Refer to a periodic table and predict which of the following is a liquid metal at 25°C and
one atmosphere pressure. D
(A). As (B). Br (C). Cl
(D). Hg (E). Xe
5. The addictive drug morphine, C17H19NO3, is used for the treatment of pain. What is
the total number of atoms in the chemical formula? C
Chandler Gilbert Community College
Fundamental Chemistry (CHM 130) 1
, (A). 4 (B). 39 (C). 40 (D). 42 (E). none of the above
6. Which of the following is an example of a physical property of ethanol? E
(A). colorless liquid (B). density, 0.789 g/mL (C). boiling point, 78.5°C
(D). specific heat, 0.511 cal/(g × °C) (E). all of the above
7. Which of the following observations is evidence for a physical change? B
(A). burning (B). dissolving (C). exploding
(D). fizzing (E). decomposing
8. If 0.391 g of potassium metal reacts with 1.269 g of iodine, what is the mass of
potassium iodide produced? D
(A). 0.391 g (B). 0.878 g (C). 1.269 g
(D). 1.660 g (E). impossible to predict from the given information
9. Isotopes have... A
(A). different mass numbers but the same atomic number
(B). the same mass number and the same atomic number
(C). the same mass number but different atomic numbers
(D). different mass numbers and different atomic numbers
10. Which of the following colors of light has the shortest wavelength? C
(A). blue (B). red (C). violet (D). yellow (E). green
11. Which of the following energy-level changes for an electron is least energetic? E
(A). 6 → 1 (B). 5 → 1 (C). 4 → 1 (D). 3 → 1 (E). 2 → 1
Questions #12-14 refer to "A" Group or Representative elements only.
12. Which element in the third period (n = 3) is expected to have the smallest first
ionization energy, IE1? Na
13. Which element in the third period (n = 3) is expected to have the largest first
ionization energy, IE1? Ar
14. When considering the elements K, Ca, and Z = 31 to Z = 36, which of these species is the
largest in radius? K
Chandler Gilbert Community College
Fundamental Chemistry (CHM 130) 2
