Quiz 1: What Is Chemistry

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

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

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

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

Chemical properties are characteristics that describe matter as it exists.

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

A burning sparkler is an example of chemical change.

Ice melting is an example of a chemical change.

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

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

A compound is a combination of more than one element.

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

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

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

Solution is another word used to describe homogenous mixtures.

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

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

Nonmetals do not conduct electricity or heat very well.

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

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

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

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

Science is concerned only with the natural universe.

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

Chemistry is widely regarded as the language of science.

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

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

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

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.

Anything that has mass and takes up space is known as _____. A) gravity B) matter C) leverage D) vacuum E) force

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

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.

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

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.

A burning match stick is an example of a(n) _____ change. A) physical B) mechanical C) chemical D) ionic E) nuclear

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

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

A _____ is a combination of more than one element. A) physical change B) phase C) thought D) chemical change E) compound

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

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

Which of the following elements' property allows them to be pounded into thin sheets? A) Conductivity B) Resistivity C) Malleability D) Ductility E) Impeditivity

Which of the following elements' property allows them to be drawn into thin wires? A) Malleability B) Ductility C) Conductivity D) Resistivity E) Impeditivity

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

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

_____ 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

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

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

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

A(n) _____ is a general statement that explains a large number of observations. A) hypothesis B) model C) purpose D) theory E) experiment

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

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

Which of the following scientific fields is known as the language of science? A) Physics B) Mathematics C) Chemistry D) Botany E) Zoology

A _____ description implies a description of the features of an object. A) static B) quantitative C) qualitative D) descriptive E) dynamic

Which of the following types of descriptions represents the specific amount of something? A) Qualitative B) Descriptive C) Static D) Dynamic E) Quantitative

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

What is matter? Explain by providing examples.

What is meant by physical properties of matter?

What is meant by chemical properties of matter?

What is physical change? Provide an example.

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

What is called a substance? Provide an example.

What are elements? Compare elements with compounds.

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

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

Explain the concepts of malleability and ductility.

What is science? What is its importance?

What is a hypothesis? Provide an example.

What are experiments? Why are they used?

What is a theory? Provide an example.

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

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

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

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

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

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

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

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.

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

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

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

A(n) _____ refers to an educated guess about how the natural universe works.

A(n) _____ refers to a test of the natural universe to see if a guess (hypothesis) is correct.

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

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

A(n) _____ description represents the specific amount of something.