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Chapter 1 Modern Chemistry Flashcards | StudBud
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Chapter 1 Modern Chemistry
Chapter 1 Modern Chemistry
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A review for Chapter 1 test!!!
Flashcards
25 cards
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Questions
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Answers
1
Which is an example of a nonmetal?
cadmium
copper
phosphorus
mercury
2
Which of the following is an intensive property of matter?
volume
density
energy content
mass
3
Noble gases are generally
unreactive
brittle
malleable
semiconductors
4
To find a safer chemical for industrial purposes
basic research
applied research
technological development
None of the above
5
The branch of chemistry called analytical chemistry most likely would be used in determining
uses of a particular metal.
economic effects of a new substance.
chemical composition of a new substance.
effect of a chemical compound on living things.
6
Which state of matter is composed of atoms that have lost many of their electrons?
gas
plasma
liquid
solid
7
The smallest unit of matter that retains the properties of that matter is
a molecule
a mixture
a compound
an atom
8
One way to separate the different kinds of matter in a mixture is through
filtration
decomposition
electrolysis
chemical reactions
9
Which of the following is an extensive property of matter?
boiling point
melting point
density
volume
10
A scientist is working to improve a product that uses fiber optics. This is an example of
applied research
Both (a) and (c)
basic research
technological development
11
Which of the following is a pure substance?
air
stainless steel
granite
water
12
property that would be least helpful in determining if a substance is a metal or nonmetal
ductility
luster
conductivity
state
13
Which of the following changes is a chemical change of matter?
liquid silica solidifying to form glass
water boiling to produce water vapor
vinegar combining with baking soda to produce carbon dioxide
ice melting to produce water
14
An element near argon in the periodic table would probably be
a poor heat conductor
solid at room temperature
shiny and malleable
a good electrical conductor
15
Research that is carried out for the sake of increasing knowledge
None of the above
technological development
basic research
applied research
16
Which statement best describes an element?
a pure substance made up of only one kind of atom
any kind of crystal
a substance containing only carbon atoms
any combination of two or more atoms of different types
17
A homogeneous mixture is one that
cannot change state easily
acts as a solvent
is uniform in composition
contains only one element
18
What is the difference between a mixture and a compound?
All mixtures are heterogeneous
All mixtures have a uniform composition.
Mixtures can be separated by physical processes.
Mixtures are made of at least two different elements.
19
Which of the following is an example of a heterogeneous mixture?
chunky peanut butter
tap water
gold ring
orange-colored sugar water
20
Which of the following changes is a physical change of matter?
water evaporating
a nail rusting
a silver spoon tarnishing
paper burning
21
A scientist is working in the lab, with compounds containing carbon. She is most likely working
theoretical chemistry
organic chemistry
inorganic chemistry
None of the above
22
Homogeneous mixtures are also called
compounds
molecules
solutions
atoms
23
A scientist is working with mathematical and computer models to learn about the principles.
analytical chemistry
physical chemistry.
biochemistry.
theoretical chemistry
24
In general, which properties are common to elements within a single group on the periodic table?
boiling point and freezing point
chemical properties and ability to bond to other atoms
atomic number and atomic weight
color and luster
25
The horizontal rows of the periodic table are called
columns
groups
periods
families
