Chapter 1-4 Test!

Question 1

h is the prefix for …

Answer 1

hecto

Question 2

dk is the prefix for …

Answer 2

deka

Question 3

d is the prefix for …

Answer 3

deci

Question 4

c is the prefix for …

Answer 4

centi

Question 5

m is the prefix of ..

Answer 5

milli

Question 6

P is the prefix for …

Answer 6

quadrillions

Question 7

T is the prefix for ..

Answer 7

Trillions

Question 8

G is the prefix for …

Answer 8

Billions

Question 9

M is the prefix for …

Answer 9

thousands

Question 10

u is the prefix for …

Answer 10

micro

Question 11

n is the prefix for …

Answer 11

nano

Question 12

p is the prefix for …

Answer 12

pico

Question 13

the study of matter -

Answer 13

chemistry

Question 14

that which has mass and volume -

Answer 14

matter

Question 15

it’s the smallest unit of a substance that has the properties of that substance -

Answer 15

atom

Question 16

two or more atoms bonded together -

Answer 16

molecules

Question 17

every particle is the same as others -

Answer 17

pure substance

Question 18

Its a pure substance; 1 type of atom; CANT be broken down -

Answer 18

an element

Question 19

they are a pure substance; two or more DIFFERENT elements; chemically bonded together -

Answer 19

compounds

Question 20

they are not a pure substance; combination of 2 or more substances; NOT chemically bonded -

Answer 20

mixtures

Question 21

what are the 3 basic parts of an atom -

Answer 21

protons
neutrons
electrons

Question 22

they are in the nucleus and have a positive charge -

Answer 22

protons

Question 23

they are in the nucleus they have no charge -

Answer 23

neutrons

Question 24

they orbit around the nucleus and have a negative charge

Answer 24

electrons

Question 25

protons and neutrons are larger then ........

Answer 25

electron

Question 26

it's one way to define a specific unit just for the atom -

Answer 26

Atomic Mass Unit

Question 27

one proton has a mass of __________ atomic mass unit -

Answer 27

one

Question 28

one neutron has a mass of ______ amu -

Answer 28

one

Question 29

one electron has a mass of ________ amu -

Answer 29

zero

Question 30

the total number of protons and neutrons =

Answer 30

mass number

Question 31

an atom w/ an electrical charge, either + or -

Answer 31

ion

Question 32

two atoms of the same element - each atom have different #'s of neutrons -

Answer 32

isotopes

Question 33

the tendency of a nucleus to break apart & give off energy and/or subatomic particles -

Answer 33

radioacivity

Question 34

only unstable isotopes -

Answer 34

radioative

Question 35

energy and subatomic particles that are given off

Answer 35

radiation

Question 36

any element w/ an atomic # higher than 82, then is automatically ....

Answer 36

radioactive

Question 37

three types of radiation decay -

Answer 37

alpha beta gamma

Question 38

k is the prefix for ...

Answer 38

kilo