Physical Science 1110 Checkup #1

type of matter is to be studied.... ...means the matter is to be examined

Chemistry has been divided into smaller fields of study based on what ____ __ ______ __ __ __ _______ and by what ______ ___ ______ __ __ __ ________.

plasma

Matter of the sun and other stars is in this phase.

solid

Molecules exert a strong attraction for each other and do not move far apart.

g. b, c, and d

Of the following, _____ could not be a symbol of an element a. Ci b. AX c. q d. Tybt e. X f. a, b, and d g. b, c, and d h. all of the above

a and d

Plasma is the subject of intense study today because a. its atoms can be fused together to produce energy b. it is easily produced in a controlled setting c. it is very stable d. scientists believe it could meet future energy needs e. a and b f. b and c g. a and b h. all of the above

liquid

Substance can be poured, will flow, and takes on the shape of its container.

gas

Substance will expand to fill the container; if it is not contained, it will expand in every direction indefinitely.

g. b, c, and d

The categories of homogeneous substances include..... a. atoms b. elements c. solutions d. compounds e. a and b f. a, b, and s g. b, c, and d h. all of the above

e. a and b

The chemical properties of oxygen include the fact that it..... a. combines with hydrogen to form water b. reacts with iron and moist air to form iron oxide c. is used by plants, animals, and man during respiration d. is given off by plants during photosynthesis e. a and b f. a, b, and d g. all of the above h. none of the above

e. a, b, and c

The parts of an atom include..... a. electrons b. protons c. neutrons d. morons e. a, b, and c f. b, c, and d g. all of the above h. none of the above

h.all of the above

The physical properties of a substance include its... a. malleability b. solubility c. hardness d. electrical conductivity e. a, c, and d f. b, d, and e g. b, c, d, and e h. all of the above

When a solid is heated, the molecules absorb energy, move faster, collide with each other, and move farther apart.

What happens to the molecules when a solid is heated?

physical chemistry

electricity, light, nuclear energy a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry

inorganic chemistry

minerals, metals a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry

biochemistry

photosynthesis, disease a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry

physical properties

properties that can be observed without changing the chemical composition of a substance

chemical properties

properties that describe how a substance reacts with other substances to produce a new substance with different properties

organic chemistry

proteins, carbohydrates, fats, fossil fuels a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry

classification

the organisation of matter into categories

chemistry

the science that deals with the structure, composition, and properties of matter and the transformations that this matter undergoes

element

the simplest homogeneous substance

atom

the smallest particle of an element that still retains the physical and chemical properties of that element

physics

the study of energy

chemistry

the study of matter

gas

A ___ has no definite volume or shape.

solid

A _____ has a definite volume and definite shape .

liquid

A ______ has a definite volume, but no definite shape.

plasma

A _______ is composed of ionised particles that can conduct electricity.

distance, molecules, force

As the ________ between _________ increases, the _____ of attraction between them decreases.

compressible

Because a solid is not ____________, it cannot be squeezed into a smaller volume or different shape easily.

matter

anything that contains mass and occupies space

properties

characteristics that distinguish one substance from all others.

analytical chemistry

criminal investigations a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry