Chemistry (Chapter 1) Flashcards

2
Q

S1) Matter

A

Anything that has mass and occupies space.

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3
Q

S1) Chemistry

A

The study of the composition of matter and the changes that matter undergoes.

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4
Q

S1) Organic Chemistry

A

The study of compounds containing carbon.

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5
Q

S1) Pure Chemistry

A

The pursuit of chemical knowledge for its own sake.

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6
Q

S1) Applied Chemistry

A

Research that is directed toward a practical goal or application.

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7
Q

S1) Matter is the general term for all the things that can be described as materials, or stuff.

A

S1) The air you breathe is an example of matter that you cannot see with the naked eye.

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8
Q

S1) Chemistry affects all aspects of life and most natural events because all living and nonliving things are made of matter.

A

S1) A chemist is likely to be working in more than one area of chemistry at a given time.

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9
Q

S1) What are the five traditional areas of study?

A

Organic chemistry, inorganic chemistry, biochemistry, analytical chemistry, and physical chemistry.

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10
Q

S1) Some of chemistry’s big ideas are as follows: Chemistry as the central science, electrons and the structure of atoms, bonding and interactions, reactions, kinetic theory, the mole and quantifying matter, matter and energy, and carbon chemistry.

A

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11
Q

S1) BIG IDEA: Chemistry As The Central Science: Chemistry overlaps with all of the other sciences.

A

S1) BIG IDEA: Electrons and the Structure of Atoms: The type of products obtained in a chemical reaction is largely determined by the electrons in the reacting chemicals.

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12
Q

S1) BIG IDEA: Bonding and Interactions: Most elements exist in chemical compounds, which are collections of two or more elements held together by relatively strong attractive forces.

A

S1) BIG IDEA: Reactions: Chemical reactions involve processes in which reactants produce products.

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13
Q

S1) BIG IDEA: Kinetic Theory: The particles in matter are in constant motion.

A

S1) BIG IDEA: The Mole and Quantifying Matter: It is vital to know the amount of material with which you are dealing.

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14
Q

S1) BIG IDEA: Matter and Energy: Every chemical process uses or produces energy, often in the form of heat.

A

S1) BIG IDEA: Carbon Chemistry: Carbon compounds are the basis of life in all living organisms.

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15
Q

S2) Chemistry can be useful in explaining the natural world, preparing people for career opportunities, and producing informed citizens.

A

S2) Modern research in chemistry can lead to technologies that aim to benefit the environment, conserve and produce energy, improve human life, and expand our knowledge of the universe.

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16
Q

S2) Technology

A

The means by which a society provides its members with those things needed and desired.

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17
Q

S2) List the advantages of PLA

A

Made of renewable resources.Less energy.Better for the environment.

18
Q

S2) List the disadvantages of PLA.

A

Melts at low temperatures.Made from corn.Difficult to dispose of.

19
Q

S3) Scientific Method

A

A logical, systematic approach to the solution of a scientific problem; steps in the scientific method include making observations, testing hypotheses, and developing theories.

20
Q

S3) Observation

A

Information obtained through the senses; observation in science often involves a measurement.

21
Q

S3) Hypothesis

A

A proposed explanation for an observation.

22
Q

S3) Experiment

A

A repeatable procedure that is used to test a hypothesis.

23
Q

S3) Independent Variable

A

The variable that is changed during an experiment; also called manipulated variable.

24
Q

S3) Dependent Variable

A

The variable that is observed during an experiment; also called responding variable.

25
Q

S3) Model

A

A representation of an object or event.

26
Q

S3) Theory

A

A well-tested explanation for a broad set of observations.

27
Q

S3) Scientific Law

A

A concise statement that summarizes the results of many observations and experiments.

28
Q

S3) Lavoisier helped to transform chemistry from a science of observation to the science of measurement that it is today.

A

S3) Steps in the scientific method include making observations, proposing and testing hypotheses, and developing theories.

29
Q

S3) When scientists collaborate and communicate with one another, they increase the likelihood of a successful outcome.

A

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