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74 Cards in this Set

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  • Back
A sheet of aluminum foil has a total area of 1.000ft^2 and a mass of 3.636g. The density of aluminum is 2.699g/cm^3.What is the height of the sheet?
1.45x10^-2
What did Democritus saw that matter is made of?
What is the word meaning indivisible?
every substance is made of tiny building blocks that are indivisible and distinct.
b)atomos
What did John Dalton say that matter is made of?
composed of fundamental building blocks called atoms.
What is used to treat Grave's disease? (hyperthryoidism)
radioactive form of iodine-131
What is the arrangement of these categories in the periodic table?
a)group d)nonmetals
b)period e)metalloids
c)metals
a)group-goes down
b)period-across
c)metals-left side of zig-zag
d)nonmetals-right side of zigzag
e)metalloids-zigzag
What is the difference between a compound and a mixture?
a mixture is not a fixed ratio
What is it called when the atoms in the reactants are rearranged to form new products?
a chemical reaction
What is the law of conservation of mass?
matter cannot be created or destroyed
What did J.J Thompson do?
his cathode ray experiment measured the charge to mass ratio of the electron
What did R.A. Millikan do?
his Oil Drop experiment determined the charge of the elctron.
What is the difference between a molecule and a compound?
a molecul is covalently bonded that doesn't have to be different elements. It is an aggregate of 2 or more atoms in a definite arrangement held together.
What kind of atoms are molecules usually formed of?
nonmetal atoms
What are diatomic molecules
molecules that contain only two atoms
What are all the diatomic molecules (other than the ones with two elements)
02, N2, H2, Cl2, Br2, I2, F2, and the elements that contain two elements, ex. HCl, CO
What are polyatomic molecules?
molecules that contain more than two atoms.
Give some examples of polyatomic molecules?
O3, H2O, NH3, CH4
What are ions?
an atom or group of atoms that has a net positive or negative charge.
atoms become ions by losing or gaining electrons
The loss of one or more electrons from a neutral atom results in _______. an ion with a net positive charge
a cation
An ion whose net charge in negative is called ________.
an anion
Aluminum
(Al^3+)
Ammonium
(NH4^+)
Barium
(Ba^2+)
Cadmium
(Cd^2+)
Calcium
(Ca^2+)
Cesium
(Cs^+)
Chromium (III) or chromic
(Cr^3+)
Cobalt (II) or cobaltous
(Co^2+)
Copper (I) or cuprous
(Cu^2+)
Hydrogen
H^+
Iron (II) or ferrous
Fe^2+
Iron (III) or ferric
Fe^3+
Lead (II) or plumbous
Pb^2+
Lithium
Li^+
Magnesium
Mg^2+
Manganese (II) or manganous
Mn^2+
Mercury (I) or mercurous
HgI^ 2+
2
Mercury (II) or mercuric
Hg^ 2+
Potassium
K^+
Silver
Ag^+
Sodium
Na+
Strontium
Sr^2+
Tin (II) or stannous
Sn^2+
Zinc
Zn^2+
Bromide
Br-
Carbonate
CO^2-
3
Chlorate
CIO3^-
Chloride
Cl^-
Chromate
CrO4^2-
Cyanide
CN^-
Dichromate
Cr2O7^2-
Dihydrogen phosphate
H2PO4^-
Fluoride
F^-
Hydride
H^-
Hydrogen carbonate or bicarbonate
HCO3^-
Hydrogen phophate
HPO4^2-
Hydrogen sulfate or bisulfate
HSO4^-
Hydroxide
OH^-
Iodide
I^-
Nitrate
NO3^-
Nitride
N^3-
Nitrite
NO2^-
Oxide
O^2-
Permanganate
MnO4^-
Peroxide
O2^2-
Phosphate
PO4 ^3-
Sulfate
SO4^2-
Sulfide
S^2-
Sulfite
SO3^2-
Thiocyanate
SCN^-
Carbide
C^4-
Silicide
Si^4-
Phosphide
P^3-
Selenide
Se^2-
Telluride
Te^2-