Chapter 1 Test Review

Chemistry is a science that deals with the study of

• living things and their life processes

• the physical features of Earth.

• the composition, structure, properties, and changes of matter.

• the composition, motion, and relative positions of stars and planets.

Research that is carried out for the sake of increasing knowledge, such as research into the properties of a substance, is considered to be

• applied research

• basic research

• technological development

• None of the above

Applied research is designed to

• solve a particular problem

• satisfy curiosity

• gain knowledge

• learn for the sake of learning

The smallest unit of matter that retains the properties of that matter is a(n)

• molecule

• compound

• mixture

• atom

Which state of matter is characterized by an indefinite shape, but a definite volume?

• plasma

• gas

• liquid

• solid

Which process is a chemical change?

• heating to boiling

• dissolving in alcohol

• burning in air

• slicing in two pieces

Which statement best describes an element?

• any combination of two or more atoms of different types

• a pure substance made up of only one kind of atom

• a substance containing only carbon atoms

• any kind of crystal

Which state of matter is composed of high energy atoms that have been stripped of many of their electrons, resulting in a charged state of matter?

• solid

• liquid

• gas

• plasma

Which of the following would be an example of an element?

• oxygen

• air

• water

• dirt

Which of the following is an extensive property of matter?

• boiling point

• density

• volume

• melting point