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D
d block
Columns 3 through 12 of the periodic table, containing elements in which the d atomic orbitals are being filled.
Curie Point of Nickel
Ferrimagnetism
Ferrofluid
Induction by Iron(II) of the Oxidation of Iodide by Dichromate
Memory Metal
Paramagnetism: Compounds
Paramagnetism: Oxidation States of Manganese
density
The ratio of the mass of a material to its volume.
Big Barometer
Floating Squares
Ice Bomb
Isotopes: Heavy Water Ice Cubes
Like Dissolves Like - Demonstration
Like Dissolves Like - Multimedia Experiments
descriptive chemistry
Ammonia Fountain
Ammonia Fountains - Multiple
Colors of Elements in a Flame
Ice Bomb
Isotopes: Heavy Water Ice Cubes
Plastic Sulfur
Relative Reactivity of Alkali Metals
Ring Strain
descriptive chemistry - ammonia
Ammonia Fountain
Ammonia Fountains - Multiple
descriptive chemistry - metals
Colors of Elements in a Flame
descriptive chemistry - sulfur
Plastic Sulfur
descriptive chemistry - water
Ice Bomb
Isotopes: Heavy Water Ice Cubes
deuterium
The isotope of hydrogen having one neutron in its nucleus.
Isotopes: Heavy Water Ice Cubes
dialysis
A process in which ions or small molecules in a solution pass through a semipermeable membrane while larger molecules remain behind.
Osmotic Pressure, Hydrostatic Pressure
diamagnetic
(diamagnetism) Describing a substance containing no unpaired electrons that is repelled very weakly by a magnetic field.
Paramagnetism: Compounds
Paramagnetism: Oxidation States of Manganese
dipole
An overall electrically neutral species having separated, equal positive and negative charges; such a species tends to assume certain orientations more than others in an electric field.
Piezoelectric Effect
dipole moment
The separation of electrical charge in a molecule that makes the molecule polar.
Piezoelectric Effect
dispersion force
Intermolecular forces arising from an instantaneous dipole in one molecule inducing a dipole in another molecule.
Floating Squares
Vapor Pressure: Molecular Size
dry ice
Frozen carbon dioxide; called dry because of its tendency to sublime (form a gas without first forming a liquid).
Ice Bomb
Liquefaction of Carbon Dioxide
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