Chapter 2: Atoms, Molecules, and Ions
2. The Greeks proposed that matter consisted of four fundamental substances:
A) fire, earth, water, air
B) fire, metal, water, air
C) earth, metal, water, air
D) atoms, fire, water, air
E) atoms, metal, fire, air
Chapter 7: Atomic Structure and Periodicity
1. When ignited, a uranium compound burns with a green flame. The wavelength of the light given off by
this flame is greater than that of
A) red light
B) infrared light
C) radio waves
D) ultraviolet light
Chapter 3: Stoichiometry
1. The atomic mass of rhenium is 186.2. Given that 37.1% of natural rhenium is rhenium-185, what is the other
4. Naturally occurring copper exists in two isotopic forms: 63Cu and 65Cu. The ato
Chapter 10: Liquids and Solids
1. Order the intermolecular forces (dipole-dipole, London dispersion, ionic, and hydrogenbonding) from weakest to strongest .
A) dipole-dipole, London dispersion, ionic, and hydrogen-bonding
B) London dispersion, dipole-dipo
Chapter 8: Bonding: General Concepts
1. In which pair do both compounds exhibit predominantly ionic bonding?
A) SCl6 and HF
B) Na2SO3 and NH3
C) KI and O3
D) LiF and H2O
E) LiBr and MgO
6. Atoms having equal or nearly equal electronegativities are expecte
Chapter 1: Chemical Foundations
1. Which of the following is an example of a quantitative observation?
A) The piece of metal is longer than the piece of wood.
B) Solution 1 is much darker than solution 2.
C) The liquid in beaker A is blue.
D) The temperat
Chapter 4: Chemical Reactions and Solutions Stoichiometry
1. An unknown substance dissolves readily in water but not in benzene (a nonpolar solvent). Molecules of what
type are present in the substance?
A) neither polar nor nonpolar
C) either pol
Chapter 9: Covalent Bonding: Orbitals
1. The hybridization of the carbon atom in the cation CH3+ is:
E) none of these
2. In the molecule C2H4 the valence orbitals of the carbon atoms are assumed to be
A) not hybridized
B) sp hyb
Chapter 5: Gases
A glass column is filled with mercury and inverted in a pool of mercury. The mercury column
stabilizes at a height of 729 mm above the pool of mercury. What is the pressure of the atmosphere?
A) 1.04 atm
B) 0.729 atm
C) 0.959 atm