The New Encyclopaedia Britannica
Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries - 934 pages
 Propaedia: outline of knowledge and guide to the Britannica.--- Micropaedia: ready reference and index.--- Macropaedia: knowledge in depth.
Results 1-3 of 74
illumination of the bedroom through the 14th to 17th nights following the onset of
menstruation resulted in a regularization of the period, with the period length
coming very close to 29.5 days, the natural synodic month. That this period is a ...
'Lanthanum and the lanthanons Figure 1: Short-period form ot periodic system of
elements. Thomsen in 1895 devised a new table. This was interpreted in terms of
the electronic structure of atoms by Niels Bohr in 1922. In this table, Figure 2, ...
Groups Ne 10 Vllb Br 35 Kr 36 Xe 54 At 85 Rn 86 group la Periodic properties
Atomic sizes Quantum numbers Periods and ... period form of the periodic system
of the elements, presented here in two forms, Figures 3 and 4, contains all of the
What people are saying - Write a review
LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review