Science Exam Flashcard

Prefix for 1,000
kilo
Prefix for 100
hecto
Prefix for 10
deca
Prefix for 1/10
deci
Prefix for 1/100
centi
Prefix for 1/1,000
milli
K H Da ___ D C M
King Henry Died Drinking Chocolate Milk
A substance made up of 2 or more different substances chemically combined
compound
The smallest part of an element that still has the characteristics of that element
particle
A substance made up of only 1 type of atom
element
Instrument used to measure volume
graduated cylinder
Matter
anything that takes up space
Weight
the amount of gravity on an object
Mass
the amount of matter in something’s space
Sublimation
the change of state from a solid to a gas
The formula for Density
D=M/V
Liquid
a substance with no definite volume or shape
Vaporization
when particles in a liquid gain enough energy to form a gas
Chemistry
the study of the properties of matter and how matter changes
H
Hydrogen
He
helium
C
carbon
N
nitrogen
O
oxygen
F
flourine
Ne
neon
Na
sodium
Mg
magnesium
Al
aluminum
Si
silicon
P
phosphorus
S
sulfur
Cl
chlorine
Ar
argon
K
potassium
Ca
calcium
Ti
titanium
Cr
chromium
Cr
chromium
Mn
manganese
Fe
iron
Co
cobalt
Ni
nickel
Cu
copper
Zn
zinc
As
arsenic
Br
bromine
Ag
silver
Sn
tin
I
iodine
Ba
barium
Pt
platinum
Au
gold
Hg
mercury
Pb
lead
Rn
radon
U
uranium
Ductile
an element that can be drawn into a wire
An element needed for healthy blood
iron
Alloy
a metal mixture
Reactivity
the ease and speed with which one element combines with another
Malleable
metal that can be hammered into flat sheets
The element added to toothpaste and water to prevent tooth decay
fluoride
Element used to kill bacteria in the water
chluorine
Proton
the positively charged particle in an atom
Can tell the number of protons in an atom by the…
atomic number
The most dangerous type of radiation is…
gamma radiation
Metalloids
elements with the characteristics of both metals and non-metals
Noble gases
the most stable group of elements
Needed for strong bones
calcium
Isotope
an element with the same number of protons, but a different number of neutrons
Polar bond
a covalent bond in which electrons are shared unequally
Polar bond
a covalent bond in which electrons are shared unequally
Polar bond
a covalent bond in which electrons are shared unequally
Polar bond
a covalent bond in which electrons are shared unequally
Metallic bond
occurs between transitional metals
Double bond
two atoms share two pairs of electrons
Covalent bond
electrons are shared
Triple bond
atoms share three pairs of electrons

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