Significant Digits
The number of significant digits in 98
2
This term is used to describe a system at 101.3kPa and 0oC.
STP (Standard Temperature and Pressure)
This is a subatomic particle with an elementary charge of -1.
Electron
This type of bond is characterized by extreme unequal sharing (basically a transfer) of the electrons, usually formed between a metal and nonmetal.
Ionic Bond
This is a combination of two or more elements.
Compound
This name describes any reaction where two or more reactants combine to form a single product.
Synthesis Reaction
In this type of “cell”, chemical energy is converted into electrical energy
Voltaic Cell
This nuclear process splits heavy nuclei into smaller ones.
Fission
This group of organic molecules contains at least one double bond between a pair of carbon atoms in its chain.
Alkenes
The number of significant digits in 503.2
This is considered the “universal solvent”.
Water
This scientist is created with developing the model of the atom that has electrons in circular orbits around the nucleus.
Niels Bohr
Two or more compounds that have the same molecular formula but different arrangements of atoms (structural formula) are called this.
Isomers
The full name (with numbers) of the compound TiO.
Titanium (II) Oxide
In this type of reaction, energy is released, often in the form of heat.
Exothermic Reaction
These are “donated” by Brownsted-Lowry acids.
Protons
This is the largest nuclear particle. It is a Helium nucleus.
Alpha Particle/Radiation
In this reaction, an alkene or alkyne reacts with a halogen molecule. They combine to form a single halide.
Addition
The number of significant digits in 34.0050
6
A solution is an example of this type of mixture.
Homogeneous
This is the number of valence electrons of any halogen.
7
This term describes atoms of the same element but with different numbers of neutrons.
Isotopes
This is the name of the polyatomic ion with the formula CO32-
Carbonate
The number of bonds Carbon atoms generally form.
4
This is the name of the terminal of a voltaic cell at which reduction occurs.
Cathode
This process produces salt and water.
Neutralization
A classification for hydrocarbons that possess multiple bonds, like alkenes and alkynes.
Unsaturated
The number of significant digits in 15,000
2
This temperature is known as absolute zero, in degrees Celsius.
-273 oC
This scientist is credited with developing the Plum Pudding model of the atom.
J. J. Thompson
This is the most reactive metal.
Francium
This is the molecular formula for Manganese (IV) Sulfate.
Mn(SO4)2
This state occurs when the forward and reverse reactions are balanced in a chemical reaction.
Equilibrium
In an electrochemical cell, oxidation occurs here.
Anode
This is the result of the beta decay of the radioactive isotope Cobolt-60. (Name and Mass Number)
Nickel-60.
For C4H10 and C8H20, it would be C2H5.
Empirical Formula
The number of significant digits in 0.090020
This process separates mixtures with different boiling points.
Distillation
This property (generally) increases as you move from left to right across the periodic table of elements.
Electronegativity or Electron Affinity or Ionization Energy
This is the most reactive nonmetal.
Fluorine
The oxidation state of iron in Fe2O3
3 (III)
This decreases the activation energy required for a reaction to proceed.
Catalyst
This is another name for positive ions.
Cations
This type of radiation produces “particles” with no mass and no charge.
Gamma Radiation
This is a category/family of organic molecules. They all have an -CONH2 at the end of the chain.
Amides
The number of significant digits in 3,604,500
5
This term represents the measure of randomness.
Entropy
This term (three words) is defined to be 1/12 the mass of a carbon atom.
Atomic Mass Unit (AMU)
A bond is considered non-polar when the electronegativity difference between the atoms is less than this number.
0.5
This is the name of the polyatomic ion with the formula ClO42-
These two molecules are produced when combustion occurs (assuming sufficient oxygen).
Carbon Dioxide and Water
This is a special category of bases that increases the hydroxide ion concentration.
Arrhenius Base
This radioisotope is used in medicine to treat thyroid disorders. (Name and Mass Number)
Iodine-131
The name of CH3CH2 - O - CH2CH2CH3
Ethyl-propyl-ether