CH 1 Review

Question 1

chemistry

Answer 1

the field of study concerned with the characteristics composition, and transformations of matter

Question 2

Matter

Answer 2

anything that has a mass and occupies space

Question 3

3 physical statuses exist matter:

Answer 3

solid, liquid, gas

Question 4

solid

Answer 4

the physical state can hold characterized by an definite shape and a definite volume

Question 5

liquid

Answer 5

the physical state to drink characterized by an indefinite shape and definite volume

Question 6

gas

Answer 6

the physical state characterized by an indefinite shape and definite volume

Question 7

chemical property

Answer 7

a characteristic of a substance that describes the way that the substance undergoes or resists change to form a new substance

Question 8

chemical property example

Answer 8

iron rusting

Question 9

physical property example

Answer 9

copper metal can be drawn into thin wires

Question 10

chemical change

Answer 10

a process in which a substance undergoes a chemical composition

Question 11

pure substance

Answer 11

single kind of matter that cannot be separated into other kinds of matter by any physical kind of means

Question 12

mixture

Answer 12

physical combination of 2 or more pure substances in which each substance returns it’s own chemical identity

Question 13

heterogeneous mixture

Answer 13

is a mixture that contains visibly different phrases (parts) each with different properties

Question 14

homogenous mixture

Answer 14

a mixture that contains only one visible phrase (parts) which has properties throughout

Question 15

element

Answer 15

pure substances that cannot be broken down into simpler substances by chemical or physical means

Question 16

compound

Answer 16

can be broken down into consistent element by chemical, but not physical means

Question 17

physical combinations

Answer 17

of a substances produces a mixture

Question 18

chemical combinations of substances produce compound entities that are bound together

Answer 18

chemical combinations

Question 19

chemical symbol

Answer 19

a one or two-letter designation for an element derived from the element name

Question 20

atom

Answer 20

the smallest possible particle of an element that can exist and still have the properties of an element

Question 21

molecule

Answer 21

a group of two or more atoms that functions as a unit because the atoms are tightly bounded together

Question 22

diatomic molecule

Answer 22

a molecule that contains 2 atoms. It is the simplest type of molecule that exists

Question 23

triatomic molecule

Answer 23

a molecule that contains 3 atoms

Question 24

heteroatomic molecule

Answer 24

a molecule in which 2 or more atoms are present

Question 25

chemical formula

Answer 25

a notation made up of the chemical symbol of the elements present in the compound