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51 Cards in this Set

  • Front
  • Back
Reactants
Substances that undergo a chemical reaction
Products
New substances produced by a chemical reaction.
element
A pure substance that cannot be decomposed by ordinary chemical means.
Compound
can be decomposed into simpler substances
Group or Family
vertical row on periodic table

have similar properties
metals
luster, malleablility, tensile, resist breaking, good conductors
metalloids
semiconductors, some characteristics of metals and non-metals
noble gases
group 18, stable, nonreactive group
Density
relationship of mass to volume of a substance

D = m/V
non-metals
brittle, poor conductors
Law of definite composition
chemical compound contains the same elements in exactly the same proportions by mass regardless of the size of the sample or source of the compound
Conversion factor
ratio derived from the equality of 2 different units in calculations as algebraic factors
Law of Multiple Proportions
If two or more different compounds are composed of the same two elements, the masses of the second element combined with a certain mass of the first element can be expressed as ratios of small whole numbers.
Atomic number
Number of protons in the nucleus of an atom
Mole
amount of substance that contains same number of particles as the number of atoms in exactly 12g of Carbon-12.

6.02 x 10^23
Protium
Hydrogen isotope, charge of +1

(1 proton, 0 neutrons)
Coefficient
small whole number in front of a formula in a chemical equation
3.00 x 10^8
Speed of light (c)
Kilogram
fundamental SI unit for mass
Alkaline Earth Metals
Group 2 elements
Halogens
Group 17 elements
Alkali Metals
Group 1 elements
Transition metals
"d" block elements
Law of Conservation of Mass
mass can neither be created nor destroyed
Quantum numbers
specify properties of atomic orbitals and properties of electrons in the orbitals
"Pop" Test
Laboratory test for Hydrogen gas
What is the flame test color of Sodium?
Orange
What is the flame test color of Copper?
Green
What is the flame test color of Potassium?
Light purple
Period
horizontal row on periodic table
Inner shell electrons
Electrons that are not in the outer shell
HNO3
nitric acid
H2SO4
sulfuric acid
HCl
hydrochloric acid
H3PO4
phosphoric acid
H2CO3
carbonic acid
Isotope
atoms of the same element that have different numbers of neutrons
Neutron
neutral subatomic particle
Proton
Positive subatomic particle
Electron
negative subatomic particle
Ground state
Lowest energy state of an atom
Visible light spectrum
400- 700 nm
violet-red
anion
negatively charged ion
cation
positively charged ion
hydrate
composed of an anhydrous salt and water
monatomic ion
ion formed from a single atom
polyatomic ion
charged group of covalently bonded atoms
frequency
number of waves/second
inversely related to wavelength
wavelength
distance from crest to crest
inversely related to frequency
Atomic Mass Number
Sum of protons and neutrons
1 milliliter
1/1000 of a Liter
equivalent to 1 cubic centimeter