Chapter 1-4 Test! Flashcards
h is the prefix for …
hecto
dk is the prefix for …
deka
d is the prefix for …
deci
c is the prefix for …
centi
m is the prefix of ..
milli
P is the prefix for …
quadrillions
T is the prefix for ..
Trillions
G is the prefix for …
Billions
M is the prefix for …
thousands
u is the prefix for …
micro
n is the prefix for …
nano
p is the prefix for …
pico
the study of matter -
chemistry
that which has mass and volume -
matter
it’s the smallest unit of a substance that has the properties of that substance -
atom
two or more atoms bonded together -
molecules
every particle is the same as others -
pure substance
Its a pure substance; 1 type of atom; CANT be broken down -
an element
they are a pure substance; two or more DIFFERENT elements; chemically bonded together -
compounds
they are not a pure substance; combination of 2 or more substances; NOT chemically bonded -
mixtures
what are the 3 basic parts of an atom -
protons
neutrons
electrons
they are in the nucleus and have a positive charge -
protons
they are in the nucleus they have no charge -
neutrons
they orbit around the nucleus and have a negative charge
electrons
protons and neutrons are larger then ……..
electron
it’s one way to define a specific unit just for the atom -
Atomic Mass Unit
one proton has a mass of __________ atomic mass unit -
one
one neutron has a mass of ______ amu -
one
one electron has a mass of ________ amu -
zero
the total number of protons and neutrons =
mass number
an atom w/ an electrical charge, either + or -
ion
two atoms of the same element - each atom have different #’s of neutrons -
isotopes
the tendency of a nucleus to break apart & give off energy and/or subatomic particles -
radioacivity
only unstable isotopes -
radioative
energy and subatomic particles that are given off
radiation
any element w/ an atomic # higher than 82, then is automatically ….
radioactive
three types of radiation decay -
alpha
beta
gamma
k is the prefix for …
kilo
