Chapter 1-4 Test! Flashcards Preview

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Flashcards in Chapter 1-4 Test! Deck (38):
1

h is the prefix for ...

hecto

2

dk is the prefix for ...

deka

3

d is the prefix for ...

deci

4

c is the prefix for ...

centi

5

m is the prefix of ..

milli

6

P is the prefix for ...

quadrillions

7

T is the prefix for ..

Trillions

8

G is the prefix for ...

Billions

9

M is the prefix for ...

thousands

10

u is the prefix for ...

micro

11

n is the prefix for ...

nano

12

p is the prefix for ...

pico

13

the study of matter -

chemistry

14

that which has mass and volume -

matter

15

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

atom

16

two or more atoms bonded together -

molecules

17

every particle is the same as others -

pure substance

18

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

an element

19

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

compounds

20

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

mixtures

21

what are the 3 basic parts of an atom -

protons
neutrons
electrons

22

they are in the nucleus and have a positive charge -

protons

23

they are in the nucleus they have no charge -

neutrons

24

they orbit around the nucleus and have a negative charge

electrons

25

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

electron

26

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

Atomic Mass Unit

27

one proton has a mass of __________ atomic mass unit -

one

28

one neutron has a mass of ______ amu -

one

29

one electron has a mass of ________ amu -

zero

30

the total number of protons and neutrons =

mass number

31

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

ion

32

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

isotopes

33

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

radioacivity

34

only unstable isotopes -

radioative

35

energy and subatomic particles that are given off

radiation

36

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

radioactive

37

three types of radiation decay -

alpha
beta
gamma

38

k is the prefix for ...

kilo