The New Encyclopaedia Britannica, Volume 13Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 121
... elements in the periodic table of elements . Probably no other group of the elements is more famil- iar to the layman than this group . Although the five elements together make up less than 0.2 percent by weight of the earth's crust ...
... elements in the periodic table of elements . Probably no other group of the elements is more famil- iar to the layman than this group . Although the five elements together make up less than 0.2 percent by weight of the earth's crust ...
Page 122
... Elements nitrogen phosphorus arsenic ( white ) antimony bismuth Atomic number 7 15 33 51 83 Colour of element Atomic ... elements ELECTRONIC CONFIGURATIONS Similarities in orbital arrangement . In the periodic table , each of the ...
... Elements nitrogen phosphorus arsenic ( white ) antimony bismuth Atomic number 7 15 33 51 83 Colour of element Atomic ... elements ELECTRONIC CONFIGURATIONS Similarities in orbital arrangement . In the periodic table , each of the ...
Page 123
... element is in the form of gaseous dia- tomic molecules , while the elements immediately preced- ing it in its period of the table are solids , as are the other elements in its group . In surveying the elements of the second period , the ...
... element is in the form of gaseous dia- tomic molecules , while the elements immediately preced- ing it in its period of the table are solids , as are the other elements in its group . In surveying the elements of the second period , the ...
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acid Africa agricultural Algeria Almoravids American antimony Arab Arctic arsenic atoms Basin became Berber bismuth bonds British central centre century Christian coast coastal compounds culture early east eastern economic elected electrons elements energy European feet fiction fission forest French fuel groups Hausa hydrogen important Indians industry Islām Island isotopes known Lake land languages Maghrib magnetic major Maori mass ment metal Mexico molecules Morocco mountains Muslim neutrons nickel Niger Nigeria Nile nitrogen nitrogen group North America northern Northwest Norway novel novelists nuclear nuclear fission nucleotides nucleus Orleans oxide percent period phosphorus Plains plasma Plateau plutonium political population ports production province reaction reactor region River Roman schools settlement Shoshoni social southern Spanish square miles structure Sudan temperatures territory tion towns trade traditional tribes Tunisia United uranium Valley western xenon York Zealand