Accounting
Anthropology
Archaeology
Art History
Banking
Biology & Life Science
Business
Business Communication
Business Development
Business Ethics
Business Law
Chemistry
Communication
Computer Science
Counseling
Criminal Law
Curriculum & Instruction
Design
Earth Science
Economic
Education
Engineering
Finance
History & Theory
Humanities
Human Resource
International Business
Investments & Securities
Journalism
Law
Management
Marketing
Medicine
Medicine & Health Science
Nursing
Philosophy
Physic
Psychology
Real Estate
Science
Social Science
Sociology
Special Education
Speech
Visual Arts
Chemistry
Q:
Which of the following is the lowest temperature?
A) 37C
B) 54F
C) 313 K
D) All of these temperatures are all equal.
Q:
If the melting point of titanium metal is 1672C, what is its melting point in Kelvins?
A) 897 K
B) 1399 K
C) 1945 K
D) 3042 K
Q:
What is the coldest temperature possible?
A) 0C
B) 0F
C) 0 K
D) None of these
Q:
The diameter of the nucleus of an atom is approximately 1 10-15 meters. If 1 nm is equal to 10 ngstroms, what is the diameter of the nucleus in ngstroms?
A) 1 10-23
B) 1 10-8
C) 1 10-7
D) 1 10-5
Q:
The diameter of an atom is approximately 1 10-10 m. What is the diameter in millimeters?
A) 1 10- 16 mm
B) 1 10- 13 mm
C) 1 10-7 mm
D) 1 10-4 mm
Q:
The average distance between nitrogen and oxygen atoms is 115 pm in a compound called nitric oxide. What is this distance in centimeters?
A) 1.15 10-9 cm
B) 1.15 10-8 cm
C) 1.15 1012 cm
D) 1.15 1016 cm
Q:
Convert 1 μm to meters.
A) 1 10-9 m
B) 1 10-6 m
C) 1 10-3 m
D) 1 106 m
Q:
The thickness of a U.S. dime is approximately one
A) m.
B) cm.
C) mm.
D) μm.
Q:
The number of cm in 1.0 in is closest to ________.
A) 1.0
B) 1.5
C) 2.0
D) 2.5
Q:
A student weighed 3000. μg of sulfur in the lab. This is the same mass as
A) 3.000 10-6 g.
B) 3.000 10-3 kg.
C) 3.000 103 mg.
D) 3.000 106 ng.
Q:
The mass of a single copper atom is 1.055 10-22 g. This is the same mass as
A) 1.055 10-16 mg.
B) 1.055 10-25 kg.
C) 1.055 10-28 μg.
D) 1.055 10-31 ng.
Q:
The mass of a proton is 1.67 10-27 kg. What is the mass of a proton in Gigagrams?
A) 1.67 10-39 Gg
B) 1.67 10-36 Gg
C) 1.67 10-33 Gg
D) 1.67 10-30 Gg
Q:
Which of the following is the greatest mass?
A) 1000 μg
B) 1.000 10-4 kg
C) 1.000 10-2 cg
D) 1.000 10-8 Mg
Q:
One gram is approximately the same as half the mass of a new U.S.
A) penny.
B) dime.
C) quarter.
D) dollar.
Q:
One kilogram is slightly more than ________ U.S. pounds?
A) 0.5
B) 1
C) 2
D) 5
Q:
When measuring a solid metal block at constant temperature, which measurement will change in numerical value depending on the location where it is taken?
A) length
B) mass
C) volume
D) weight
Q:
An astronaut uses a laboratory balance and weighs an object on earth and again on the moon. Which statement below about the weight and mass of the object is true?
A) The mass and weight will be identical on the earth and the moon.
B) The mass will be the same on earth and moon but the weight will be less on the moon.
C) The weight will be the same on earth and moon but the mass will be less on the moon.
D) Both the mass and weight will be different on earth and moon.
Q:
Without using a calculator, solve the following problem: A) 1 100
B) 1 10-3
C) 1 10-9
D) 1 10-12
Q:
Without using a calculator, solve the following problem: A) 1 10-6
B) 1 104
C) 1 1024
D) 1 1034
Q:
A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number in standard scientific notation.
A) 4.264 10-7 m
B) 4.264 10-6 m
C) 4.264 106 m
D) 4.264 107 m
Q:
Convert 0.003002 to standard scientific notation.
A) 3.002 10-3
B) 3002 10-6
C) 3.002 103
D) 3002 106
Q:
Convert 5.100 10-3 to ordinary notation.
A) 0.0005100
B) 0.005100
C) 510.0
D) 5100
Q:
The factor 10-2 corresponds to which prefix?
A) deka
B) deci
C) centi
D) milli
Q:
The factor 0.01 corresponds to which prefix?
A) deka
B) deci
C) centi
D) milli
Q:
What symbol is used to represent the factor 10-9?
A) M
B) m
C) μ
D) n
Q:
What symbol is used to represent the factor 10-3?
A) M
B) m
C) μ
D) n
Q:
What symbol is used to express the factor, 10-6?
A) M
B) m
C) μ
D) n
Q:
All of the following are fundamental SI units except the
A) gram.
B) Kelvin.
C) meter.
D) second.
Q:
Which of the following is a fundamental SI Unit?
A) centimeter
B) kilogram
C) microsecond
D) milliliter
Q:
The fundamental SI unit of mass is the
A) centigram.
B) gram.
C) kilogram.
D) milligram.
Q:
All of the following elements are nonmetals except
A) antimony.
B) carbon.
C) hydrogen.
D) oxygen.
Q:
Gaseous elements characterized by low reactivity are found in group ________ of the periodic table.
A) 5A
B) 6A
C) 7A
D) 8A
Q:
Which one of the following elements is a poor conductor of heat and electricity?
A) copper
B) fluorine
C) iron
D) lead
Q:
Which of the following elements is a good conductor of heat and electricity?
A) carbon
B) chlorine
C) neon
D) zinc
Q:
Which of the following elements is classified as a semimetal?
A) calcium
B) germanium
C) fluorine
D) uranium
Q:
Which of the following elements is not a solid at room temperature?
A) Ag
B) Al
C) Br
D) Fe
Q:
Which group of elements reacts violently with water?
A) halogens
B) noble gases
C) alkali metals
D) alkaline earth metals
Q:
Which of the following elements is a liquid at room temperature?
A) chlorine
B) helium
C) mercury
D) sodium
Q:
Which group 5A element is most metallic?
A) N
B) P
C) Sb
D) Bi
Q:
Which group 1A element is not a metal?
A) H
B) Li
C) Fr
D) None of these
Q:
Which of the following underlined items is not an extensive property?
A) the color of a cobalt compound
B) the diameter of a soap bubble
C) the mass of a diamond
D) the volume of a glucose solution
Q:
Which of the following underlined items is not an intensive property?
A) A chemical reaction requires 3.00 g of oxygen.
B) Solid copper hydroxide is blue colored.
C) The density of helium at 25C is 1.64 10-4 g/cm3.
D) The melting point of aluminum metal is 933 K.
Q:
Which of the following statements does not describe a chemical property of oxygen?
A) Iron will rust in the presence of oxygen.
B) Oxygen combines with carbon to form carbon dioxide gas.
C) The pressure is caused by collision of oxygen molecules with the sides of a container.
D) When coal is burned in oxygen, the process is called combustion.
Q:
Which of the following statements does not describe a physical property of chlorine?
A) Chlorine combines with sodium to form table salt.
B) The color of chorine gas is green.
C) The density of chlorine gas at standard temperature and pressure is 3.17 g/L.
D) The freezing point of chlorine is -101C.
Q:
Which horizontal row of the periodic table contains the most elements?
A) row 4
B) row 5
C) row 6
D) They all contain the same number of elements.
Q:
Which of the following elements has chemical properties similar to oxygen?
A) fluorine
B) hydrogen
C) nitrogen
D) sulfur
Q:
Elements in a periodic group have similar
A) chemical properties.
B) densities.
C) masses.
D) physical properties.
Q:
Most elements in the periodic table are
A) metals.
B) non-metals.
C) noble gases.
D) semi-metals.
Q:
Calcium belongs to the ________ group of the periodic table.
A) alkali metal
B) alkaline earth
C) halogen
D) noble gas
Q:
Argon belongs to the ________ group of the periodic table.
A) alkali metal
B) alkaline earth
C) halogen
D) noble gas
Q:
Bromine belongs to the ________ group of the periodic table.
A) alkali metal
B) alkaline earth metal
C) halogen
D) noble gas
Q:
Lithium belongs to the ________ group of the periodic table.
A) alkali metal
B) alkaline earth metal
C) halogen
D) noble gas
Q:
The vertical columns of the periodic table are called
A) groups.
B) periods.
C) triads.
D) elements.
Q:
The horizontal rows of the periodic table are called
A) groups.
B) periods.
C) triads.
D) elements.
Q:
Which is not true?
A) Mendeleev ended each row in his periodic table with an inert gas.
B) Mendeleev left gaps in his periodic table for undiscovered elements.
C) Mendeleev ordered the elements in his periodic table by atomic weight.
D) Mendeleev's periodic table predated the concept of electron configuration.
Q:
Mendeleev arranged the elements according to
A) atomic number and atomic weight.
B) atomic weight and chemical reactivity.
C) electron configuration and atomic weight.
D) physical state and relative abundance.
Q:
Which element has the chemical symbol, Au?
A) aluminum
B) argon
C) gold
D) silver
Q:
Which element has the chemical symbol, P?
A) lead
B) phosphorus
C) platinum
D) potassium
Q:
What is the chemical symbol for platinum?
A) P
B) Pa
C) Pt
D) Pu
Q:
What is the chemical symbol for manganese?
A) Hg
B) Mg
C) Mn
D) Na
Q:
What is the chemical symbol for tin?
A) Sb
B) Sn
C) Ta
D) Ti
Q:
An interpretation of the results of many tests is called
A) an experiment.
B) a hypothesis.
C) a prediction.
D) a theory.
Q:
A consistent explanation of known observations is called
A) an experiment.
B) a hypothesis.
C) a prediction.
D) a theory.
Q:
The molecule CH3CH2CO2CH2CO2H contains an ________ functional group and a ________ functional group.
Q:
Which of the following condensed structures represent the same molecule? A) I and II
B) II and IV
C) III and IV
D) II and III
Q:
The condensed formula of the smallest molecule that contains the ether functional group is ________.
Q:
Which condensed structure below representing an alkane is not correct?
A) CH3CH2CH3
B) C) CH3CH2CH2CH3
D)
Q:
The molecule H2NCH2CH2CH2OH contains an ________ functional group and an ________ functional group.
Q:
Which is the condensed structure of a straight-chain hydrocarbon? A) I
B) II
C) III
D) IV
Q:
When toluene C6H5CH3 is reacted with Br2/FeBr3, the number of different products that can be formed is ________.
Q:
The cycloalkane represented by a hexagon is named ________ and has the molecular formula ________.
Q:
Which of the following statements about isomers is false?
A) All alkanes have branched chain isomers.
B) As the number of carbon atoms increase in a compound, so do the number of possible isomers.
C) Isomers have different physical properties.
D) Isomers have the same formula but different molecular structures.
Q:
The molecules CH3CH2CH2CH2CCH and CH3CH2CH2CH2CH=CH2, respectively, belong to the ________ family and the ________ family of organic molecules.
Q:
Compounds that have the same formula but different molecular structures are called
A) isoelectronic.
B) isomers.
C) isotones.
D) isotopes.
Q:
In the dark the reaction of 2-pentene with chlorine will form how many different products?
Q:
Another term for alkanes is
A) alkenes.
B) alkynes.
C) saturated hydrocarbons.
D) unsaturated hydrocarbons.
Q:
The IUPAC name for the alkane shown below is ________.
CH3
|
CH3CHCH2CH2CH2CH3
Q:
The most important characteristic of carbon atoms for forming organic molecules is
A) ability to bond together to form long chains.
B) ability to form multiple covalent bonds.
C) use of hybrid orbitals.
D) all of the above are important
Q:
What is the empirical and molecular formulas of 1-tert-butyl-2-methylcyclopropane?
Q:
Which of the following statements about carbon is false?
A) Carbon compounds have covalent bonds.
B) Carbon compounds can have multiple bonds.
C) Carbon is tetravalent.
D) Carbon uses sp2 hybrids to form tetrahedral structures.