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P
p block
Columns 13 through 18 of the periodic table, containing elements in the periodic table over which the p atomic orbitals are being filled.
Isotopes: Heavy Water Ice Cubes
paramagnetic
Describing a substance containing unpaired electrons that is attracted by a magnetic field.
Curie Point of Nickel
Paramagnetism: Compounds
Paramagnetism: Nitrogen and Oxygen
Paramagnetism: Oxidation States of Manganese
paramagnetism
Paramagnetism: Compounds
Paramagnetism: Nitrogen and Oxygen
Paramagnetism: Oxidation States of Manganese
periodic table
A chart showing the symbols of the elements arranged in order by atomic number and having chemically related elements appearing in columns.
Colors of Elements in a Flame
Curie Point of Nickel
Ferrofluid
Induction by Iron(II) of the Oxidation of Iodide by Dichromate
Paramagnetism: Compounds
Paramagnetism: Nitrogen and Oxygen
Paramagnetism: Oxidation States of Manganese
Piezoelectric Effect
Relative Reactivity of Alkali Metals
periodic trend
Relative Reactivity of Alkali Metals
pH
A logarithmic measure of the concentration of hydrogen ion expressed as -log10([H+]).
Ammonia Fountain
Ammonia Fountains - Multiple
Osmotic Pressure, Hydrostatic Pressure
phase change
Boiling by Cooling
Critical Point of Benzene
Crystallization of Supersaturated Sodium Acetate
Curie Point of Nickel
Ice Bomb
Liquefaction of Carbon Dioxide
Memory Metal
Plastic Sulfur
Superconductivity
Thermochromism: Mercury(II) Iodide
Vapor Pressure: H-bonding vs. dipole-dipole attraction
Vapor Pressure: Molecular Polarity
Vapor Pressure: Molecular Size
Vapor Pressure of a Mixture: Raoult's Law
Vapor Pressure: Using Barometers
phase diagram
A diagram showing conditions, most typically of pressure and temperature, under which different phases of a substance exist at equilibrium.
Liquefaction of Carbon Dioxide
photon
A quantum of energy from electromagnetic radiation; the value of the energy available is the product of the frequency of light and Planck's constant.
Colors of Elements in a Flame
physical properties
Boiling by Cooling
Critical Point of Benzene
Crystallization of Supersaturated Sodium Acetate
Curie Point of Nickel
Heat Conduction by Diamond
Ice Bomb
Isotopes: Heavy Water Ice Cubes
Liquefaction of Carbon Dioxide
Memory Metal
Plastic Sulfur
Simulation of Dislocations in Metals
Superconductivity
Thermochromism: Mercury(II) Iodide
Vapor Pressure: H-bonding vs. dipole-dipole attraction
Vapor Pressure: Molecular Polarity
Vapor Pressure: Molecular Size
Vapor Pressure of a Mixture: Raoult's Law
Vapor Pressure: Using Barometers
polar
Describing a molecule having a separation of centers of positive and negative electrical charge that makes the molecule assume certain orientations more than others in an electric field.
Ferrofluid
Floating Squares
Like Dissolves Like - Demonstration
Like Dissolves Like - Multimedia Experiments
Piezoelectric Effect
Vapor Pressure: H-bonding vs. dipole-dipole attraction
Vapor Pressure: Molecular Polarity
Viscosity of Liquids
polar molecule
Floating Squares
Vapor Pressure: H-bonding vs. dipole-dipole attraction
Vapor Pressure: Molecular Polarity
Viscosity of Liquids
polarity
Vapor Pressure: Molecular Polarity
Viscosity of Liquids
polarizability
The ability of the electrons in a species to change position in response to the presence of an outside electrical field.
Vapor Pressure: Molecular Size
Viscosity of Liquids
potassium
An element in the periodic table with symbol K, atomic number 19, and atomic weight 39.1
Big Barometer
Paramagnetism: Compounds
Paramagnetism: Oxidation States of Manganese
Relative Reactivity of Alkali Metals
practical application
Canned Heat
Ferrofluid
Heat Treatment of a Metal Bobby Pin
Memory Metal
Superconductivity
precipitation
The formation of a solid within a solution, often by the combination of cations and anions to form an insoluble ionic compound.
Conductimetric Titration
Ferrimagnetism
precipitation reaction
Ferrimagnetism
pressure
Force per unit area; in gases pressure arises from collisions by the molecules of the gas with the wall of the container.
Ammonia Fountain
Ammonia Fountains - Multiple
Big Barometer
Boiling by Cooling
Boyle's Law: J-tube
Hardness of Solid Substances
Hardness of Solid Substances - Grinding
Ice Bomb
Liquefaction of Carbon Dioxide
Memory Metal
Mercury Barometers
Osmotic Pressure, Hydrostatic Pressure
Piezoelectric Effect
Vapor Pressure: Collapsing Balloon
Vapor Pressure: Drinking Bird
Vapor Pressure: H-bonding vs. dipole-dipole attraction
Vapor Pressure: Molecular Polarity
Vapor Pressure: Molecular Size
Vapor Pressure of a Mixture: Raoult's Law
Vapor Pressure: Using Barometers
proton
The positively charged particle in an atomic nucleus; its mass is similar to the mass of a hydrogen atom.
Isotopes: Heavy Water Ice Cubes
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