Page 349 - Theory and Problems of BEGINNING CHEMISTRY

338 INDEX

“Conservation of atoms,” law of, 120 Delocalized double bonds, 266
Conservation of energy, law of, 3 (delta), 148
Conservation of mass, law of, 7, 39, 120 Delta, 148
Conservation of matter, law of, 7 Density, 3, 10, 21–23
“Control” of electrons, 201–202 Derivative, 267
Control rod, 285 Detailed electronic configuration (See electronic
Conversions, 103–106, 119f, 143, 181–183, configuration)
348 Deuterium, 284t, 285
chemical equations and, 142, 348 Deuteron, 284t
chemical formulas and, 105–106, 119f, 348 Di-, 88t, 94
formula mass and, 104, 119f, 348 Diameter of a circle, 32p
formula units and, 103, 119f, 348 Diamond, 8
gas laws and, 181–184, 348 Diatomic molecule, 68, 72
molar mass and, 104, 119f, 348 of elements, 68
mole, 103–106, 119f, 142–143, 348 of hydrogen, 68, 72
Copper(I) disproportionation, 216p Dichromate ion, 92t
Covalent bond, 72 Diffusion, 197
Covalent bonding, 72–74, 75–76 Dimensional analysis, 10–12
difference from ionic, 74–75 Direct current, 218p
of more than two atoms, 73–74 Directly proportionality, 10, 176
systematic method of assigning electrons for, Disintegration, radioactive, 280
73–74 Disproportionation of copper(I), 216p
Covalent compound, identifying, 74–75, 135 Distance, 12–15
Critical mass, 285 Division, 299–300
Crust of the earth, 1 significant digits in, 21
Cubic meter, 12t, 15 Double arrows, 232
Current, electric, 70–71 Double bond(s), 72, 262
Cyanide ion, 90, 92 delocalized, 266
Cyclic structure, 267 Double decomposition reaction, 126–127
Cycloalkane, 267 Double replacement reaction, 126–127
Cycloalkene, 267 Double substitution reaction, 126–127
Dozen, 103
d (density), 21–23 Duet of electrons, 72
d-block elements, 60–61
Dalton, John, 38, 103 e (charge on the electron), 40
Dalton’s law of partial pressures, 183–184, E a (activation energy), 231
190p Earth, crust of, 1
Dalton’s theory, 38–39, 45p EE key, 17, 300–301
Daniell cell, 210, 214p Effusion, 197, 199p
Data, graphical representation of, 175–177 Einstein, Albert, 2
Daughter nucleus, 283 Einstein’s equation, 2, 285–286
Dc (direct current), 218p Elastic collision, 195
DDT, 8p Electric charge, 40
Deca-, 88t Electric circuit, 209
Decay, radioactive, 280 Electric current, 70–71, 209
Decomposition reaction, 123–124 Electric power, 2
of binary compounds, 124 Electrical energy, 2
of ternary compounds, 124 Electricity, interaction with matter, 40,
Defined numbers, significant digits in, 21 70
Definite composition (See definite proportions) Electrochemistry, 209–211
Definite proportions, 4, 5 Electrode, 70, 70f
law of, 39 Electrodeposition, 210, 210f
Definite ratio of atoms, 38 Electrolysis, 70–71, 209–210