Chapter 10, Review Questions Plus Question Preview (ID: 45576)


Part 11. TEACHERS: click here for quick copy question ID numbers.

which of the following factors does NOT explain why carbon can form so many compounds?
a) Carbon can bod in chains and rings.
b) The same atoms can be grouped in different ways, forming isomers
c) Carbon can form four single bonds.
d) Carbon has six protons in its nucleus.

When a hydroxyl group is substituted for a hydrogen atom in a hydrocarbon, what type of molecule results?
a) an alcohol
b) an amine
c) a carboxylic acid
d) a polymer

Which of the following mixtures is NOT an example of a substance?
a) drinking water
b) air
c) brass
d) pizza

The atmosphere of Earth is an example of a _________ solution.
a) liquid-liquid
b) gas-liquid
c) gas-gas
d) solid-liquid

Which of the following conditions would likely cause the activation energy to be high?
a) atoms are closer together
b) the temperature is hot
c) atoms are not close togethe
d) a catalyst is present

What is the name given to the units that make up covalently bonded compounds?
a) molecules
b) ions
c) electrons
d) energy levels

Some elements are unlikely to lose or gain electrons, but share electrons to form covalent bonds. Which of the following elements is most likely to form covalent bonds?
a) silicon (#14)
b) oxygen (#8)
c) chlorine (#17)
d) sulfur (#16)

A basic example has a pH range __________.
a) between 0 and 7
b) between 7 and 14
c) of exactly 7
d) of exactly 0

A cork is able to float on water because it is ___________.
a) a crystalline solid
b) equal in density to water
c) small in size
d) less dense than the water

Kinetic energy is the _____________ of motion.
a) temperature
b) energy
c) heat
d) state

When both -NH2 and -COOH replace hydrogen atoms on the same carbon atom, a(n) _____________ is formed.
a) amine
b) amino acid
c) carboxylic acid
d) carbohydrate

When someone stirs cocoa powder into hot water or hot milk, the cocoa changes from a _____________ .
a) homogeneous mixture into a compound
b) homogeneous mixture into a non-uniform mixture
c) compound into a heterogeneous mixture
d) heterogeneous mixture into a homogeneous mixture

Vegetable soup is an example of a _______________.
a) homogeneous mixture
b) heterogeneous mixture
c) compound
d) pure substance

How many atoms of calcium are in a unit of calcium phosphate whose formula is Ca3(PO4)2?
a) one
b) two
c) three
d) four

When Rutherford performed his metal foil experiment, he was surprised that most of the alpha particles ___________.
a) were deflected by the foil
b) bounced back from the foil
c) were absorbed by the foil
d) passed straight through the foil

SI units are useful because they are all related by multiples of ______.
a) two
b) five
c) 10
d) 50

Which of the following visual displays would be best for describing the percentages of different gases in the atmosphere?
a) circle graph
b) line graph
c) bar graph
d) any of the above

x
a) x
b) x
c) x
d) x

Which of the following functions is NOT a role of proteins in the body?y
a) catalysts in cell reactions
b) store energy in the form of glycogen
c) make up fingernails and hair
d) in the form of hemoglobin, carry oxygen in the blood

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