Deck 1: What Is Chemistry

Question 1

Solution is another word used to describe homogenous mixtures.

Answer 1

True

Question 2

Chemistry is the study of the interactions of matter with other matter and with energy.

Answer 2

True

Question 3

A hypothesis is a general statement that explains a large number of observations.

Answer 3

False

Question 4

A physical change occurs when a sample of matter changes one or more of its physical properties.

Question 5

Air found inside an empty chamber cannot be classified as matter.

Question 6

Elements that have properties of both metals and nonmetals and are called antimetals.

Question 7

Carbonated water, before it is opened, is an example of heterogeneous mixtures.

Question 8

A sample of matter that has the different physical and chemical properties throughout is

Question 9

An element can be broken down into simpler chemical substances by chemical reactions.

Question 10

Matter is anything that has a mass and takes up space.

Question 11

Table salt has the same physical properties as its constituent elements, sodium and

Question 12

A compound is a combination of more than one element.

Question 13

Ice melting is an example of a chemical change.

Question 14

Nonmetals do not conduct electricity or heat very well.

Question 15

Science is the process of knowing about the natural universe through observation and experiment.

Question 16

Physical properties are characteristics of matter that describe how matter changes form in the presence of other matter.

Question 17

Chemical properties are characteristics that describe matter as it exists.

Question 18

A metal is an element that is brittle at room temperature.

Question 19

A burning sparkler is an example of chemical change.

Question 20

A compound's physical and chemical properties are different than the physical and chemical properties of its constituent elements.

Question 21

Experiments are not performed if a hypothesis exists on the issue to be tested.

Question 22

A burning match stick is an example of a(n) _____ change.

A) physical
B) mechanical
C) chemical
D) ionic
E) nuclear

Question 23

A law is a specific statement that is thought to be never violated by the entire natural universe.

Question 24

Which of the following is not classified as matter?

A) Air in a room
B) Gas in a chamber
C) Blood in blood vessels
D) Thoughts of a human brain
E) Air in human lungs

Question 25

Physics and astronomy are scientific fields concerned with the fundamental interactions between matter and energy.

Question 26

Science is concerned only with the natural universe.

Question 27

Chemical properties are characteristics of matter that describe _____.

A) how matter changes form in the presence of other matter
B) how matter changes form when it releases kinetic or static energy
C) how matter changes form when it acquires static energy
D) how matter changes form when it acquires kinetic energy
E) how matter changes form when it is heated or cooled

Question 28

Anything that has mass and takes up space is known as _____.

A) gravity
B) matter
C) leverage
D) vacuum
E) force

Question 29

A sample of matter that has the same physical and chemical properties throughout is called a _____.

A) form
B) base
C) substance
D) particle
E) structure

Question 30

Which of the following is an example of a heterogeneous mixture?

A) Oxygen dissolved in water
B) Carbon dioxide dissolved in water
C) Sodium chloride in water
D) A combination of salt and steel wool
E) A combination of oxygen and hydrogen

Question 31

A _____ is a combination of more than one element.

A) physical change
B) phase
C) thought
D) chemical change
E) compound

Question 32

Which of the following statements is the correct description of chemistry?

A) It is the study of the interactions of matter with other matter and with energy.
B) It is the study of the static behavior of particles and substances.
C) It is the study of conversion of one form of energy to another form.
D) It is the science that deals with kinetic and potential energy.
E) It is the science that deals with matter, energy, and force.

Question 33

A(n) _____ is an element that is solid at room temperature, is shiny and silvery, conducts electricity and heat well, can be pounded into thin sheets, and can be drawn into thin wires.

A) sub-atom
B) metal
C) ion
D) semimetal
E) nonmetal

Question 34

A qualitative description implies a description of the extent to which a compound is used in a reaction.

Question 35

Which of the following statements describes a chemical property?

A) Mercury is the only metal that exists as a liquid at room temperature.
B) Women usually have long nails.
C) The stereo system is silver in color.
D) A kilogram of iron weighs one thousand grams.
E) Sodium reacts with water to produce sodium hydroxide and hydrogen.

Question 36

The temperature outside is 95 degrees Fahrenheit; this is an example of a quantitative description.

Question 37

A(n) _____ is the simplest type of chemical substance; it cannot be broken down into simpler chemical substances by ordinary chemical means.

A) compound
B) element
C) mixture
D) base
E) structure

Question 38

A qualitative description means knowing how much of something is present.

Question 39

Chemistry is widely regarded as the language of science.

Question 40

Which of the following is an example of chemical change?

A) Ice melts to form water.
B) Water is turned to steam by heating.
C) Temperature of the engine goes up by 5^oC.
D) Alkanes have less mass than alkenes.
E) Alkanes burn in the presence of oxygen.

Question 41

What is meant by chemical properties of matter?

Question 42

Which of the following types of descriptions represents the specific amount of something?

A) Qualitative
B) Descriptive
C) Static
D) Dynamic
E) Quantitative

Question 43

Which of the following elements' property allows them to be pounded into thin sheets?

A) Conductivity
B) Resistivity
C) Malleability
D) Ductility
E) Impeditivity

Question 44

Which of the following terms refers to an educated guess about how the natural universe works?

A) Experimentation
B) Empirical analysis
C) Hypothesis
D) Postdiction
E) Intuition

Question 45

What is meant by physical properties of matter?

Question 46

From the following, which is not an example of a chemical change? Be sure to explain your reasoning.

Question 47

The compound sulfur is yellow colored. This description of sulfur is an example of a _____ description.

A) Qualitative
B) Dynamic
C) Static
D) Quantitative
E) Descriptive

Question 48

Which of the following terms refers to the elements that have properties of both metals and nonmetals?

A) Base metals
B) Precious metals
C) Noble metals
D) Metalloids/Semimetals
E) Extracted metals

Question 49

The fact that all matter attracts all other matter is an example of a(n) _____.

A) law
B) observation
C) argument
D) purpose
E) hypothesis

Question 50

A(n) _____ is a general statement that explains a large number of observations.

A) hypothesis
B) model
C) purpose
D) theory
E) experiment

Question 51

A nonmetal is an element that is _____.

A) brittle when solid
B) conductive to electricity
C) Hard when solid
D) conductive to heat
E) characterized by high ductility

Question 52

A specific statement that is thought to be never violated by the entire natural universe is called a(n) ______.

A) premise
B) hypothesis
C) law
D) theory
E) observation

Question 53

Which of the following scientific fields is known as the language of science?

A) Physics
B) Mathematics
C) Chemistry
D) Botany
E) Zoology

Question 54

Which of the following is the first step in a scientific method?

A) Forming a theory
B) Stating a hypothesis
C) Refining a hypothesis
D) Validating assumptions
E) Validating a theory

Question 55

Which of the following elements' property allows them to be drawn into thin wires?

A) Malleability
B) Ductility
C) Conductivity
D) Resistivity
E) Impeditivity

Question 56

A _____ description implies a description of the features of an object.

A) static
B) quantitative
C) qualitative
D) descriptive
E) dynamic

Question 57

What is physical change? Provide an example.

Question 58

_____ can be regarded as the process of knowing about the natural universe through observation and experiment.

A) Science
B) Civics
C) History
D) Psychology
E) Geography

Question 59

Which of the following refer to tests of the natural universe to see if a hypothesis is correct?

A) Sequences
B) Topology
C) Internship
D) Amendments
E) Experiments

Question 60

What is matter? Explain by providing examples.

Question 61

A(n) _____ refers to a change that occurs when a sample of matter changes one or more of its physical properties.

Question 62

What is a hypothesis? Provide an example.

Question 63

What is science? What is its importance?

Question 64

A(n) _____ is a combination of more than one element and its physical and chemical properties are different from the physical and chemical properties of its constituent elements.

Question 65

What are elements? Compare elements with compounds.

Question 66

What are mixtures? Write the types of mixtures, and then give an example for each type.

Question 67

What is a metal? How is it different from a nonmetal?

Question 68

_____ is the process of knowing about the natural universe through observation and experiment.

Question 69

What is called a substance? Provide an example.

Question 70

Science can be either qualitative or quantitative. Explain with examples.

Question 71

Anything that has mass and takes up space can be called _____.

Question 72

A(n) _____ change is the process of demonstrating a chemical property.

Question 73

Explain the concepts of malleability and ductility.

Question 74

What are experiments? Why are they used?

Question 75

The constituents of a mixture that are clearly visible to the naked eye, is called a(n) _____.

Question 76

A combination of two or more substances that is so intimately mixed that the mixture behaves as a single substance is called a(n) _____.

Question 77

What is a theory? Provide an example.

Question 78

A(n) _____ refers to a characteristic that describes matter as it exists.

Question 79

_____ is the study of the interactions of matter with other matter and with energy.

Question 80

A(n) _____ refers to a substance that cannot be broken down into simpler chemical substances by ordinary chemical means.