Matter and Change

Question 1

Basic research is usually performed

Accepted Answer

To gain knowledge.

Question 2

A pure substance that cannot be broken down into simpler, stable substances & made up of 1 atom

Accepted Answer

Element

Question 3

The branch of chemistry that involves the study of living things is called

Accepted Answer

Biochemistry

Question 4

A reactant is

Accepted Answer

The substances that react in a chemical change.

Question 5

Applied research is usually performed

Accepted Answer

To develop new products.

Question 6

Has a fixed composition

Accepted Answer

pure substance

Question 7

An element that has some characteristics of metals and some characteristics of nonmetals.

Accepted Answer

Metalloid

Question 8

Which of the Following is an extensive property of matter?

Accepted Answer

volume

Question 9

Homogeneous mixtures are also called

Accepted Answer

solutions

Question 10

The smallest unit of an element that maintains the chemical identity of that element

Accepted Answer

atom

Question 11

Any substance that has a definite composition

Accepted Answer

Chemical

Question 12

Anything that has mass and takes up space.

Accepted Answer

Matter

Question 13

Matter in the liquid state

Accepted Answer

Has definite volume and indefinite shape.

Question 14

A physical state of matter which atoms lose most of their electrons.

Accepted Answer

Plasma

Question 15

Physical Chemistry

Accepted Answer

Study of properties & changes of matter & relation to energy

Question 16

The horizontal rows of elements in the periodic table

Accepted Answer

Periods

Question 17

The substances that are formed by the chemical reaction

Accepted Answer

Products

Question 18

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

Accepted Answer

oil and water

Question 19

The study of most carbon-containing compounds

Accepted Answer

Organic Chemistry

Question 20

Theoretical Chemistry

Accepted Answer

Use of math & computers to understand observed principles

Question 21

The vertical columns of the periodic table are called

Accepted Answer

Families, Groups

Question 22

A measure of the amount of matter.

Accepted Answer

Mass

Question 23

The identification of the components and composition of materials

Accepted Answer

Analytical Chemistry

Question 24

A change in a substance that does not involve a change in the identity of the substance

Accepted Answer

Physical change

Question 25

The study of non-organic substances

Accepted Answer

Inorganic Chemistry

Question 26

Matter in the __ state has a definite volume and definite shape.

Accepted Answer

solid

Question 27

What metal is a liquid at room temperature?

Accepted Answer

Mercury (Hg)

Question 28

A change in which one or more substances are converted into different substances

Accepted Answer

Chemical Change

Question 29

A mixture is

Accepted Answer

A blend of two/more kinds of matter, with unique properties.

Question 30

Neither definite volume nor definite shape

Accepted Answer

Gas

Matter and Change

Questions 30

Matter and Change

Questions 30