The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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الصفحة 7
... hydrogen that they are called protohydro- gen stars . Helium is present with hints of magnesium and calcium . Taurus and Algol ( known as helium - gas stars ) show helium along with hydrogen , carbon , oxygen , and nitrogen . The ...
... hydrogen that they are called protohydro- gen stars . Helium is present with hints of magnesium and calcium . Taurus and Algol ( known as helium - gas stars ) show helium along with hydrogen , carbon , oxygen , and nitrogen . The ...
الصفحة 8
... Hydrogen ..... 0.95 25.80 Titanium 0.43 7.30 Chlorine 0.20 4.18 Carbon 0.18 3.22 Phosphorus .... Ο.ΙΙ 2.36 Sulphur Ο ... Hydrogen 8 THE PHYSICAL BASIS OF SOCIETY Chemical Composition of the Earth's Crust and mosphere.
... Hydrogen ..... 0.95 25.80 Titanium 0.43 7.30 Chlorine 0.20 4.18 Carbon 0.18 3.22 Phosphorus .... Ο.ΙΙ 2.36 Sulphur Ο ... Hydrogen 8 THE PHYSICAL BASIS OF SOCIETY Chemical Composition of the Earth's Crust and mosphere.
الصفحة 9
Carl Kelsey. which form 59.8 per cent of the lithosphere . Hydrogen makes up II per cent of the hydrosphere and only 0.22 per cent of the lithosphere . Carbon is found chiefly in the carbonates , usually appearing as limestone . It is ...
Carl Kelsey. which form 59.8 per cent of the lithosphere . Hydrogen makes up II per cent of the hydrosphere and only 0.22 per cent of the lithosphere . Carbon is found chiefly in the carbonates , usually appearing as limestone . It is ...
الصفحة 10
... hydrogen and found that water was a combination of this with oxygen . A stream of discoveries followed and many new elements were revealed . In 1868 , Johannsen of Paris , using a spectroscope , found an unknown element in the sun to ...
... hydrogen and found that water was a combination of this with oxygen . A stream of discoveries followed and many new elements were revealed . In 1868 , Johannsen of Paris , using a spectroscope , found an unknown element in the sun to ...
الصفحة 11
... hydrogen , as number I and find the following order : Period I 5 Carbon I Fluorine Chlorine 25 Manganese ∞ Oxygen Sulphur Chromium 7 Nitrogen Phosphorus Vanadium Silicon Titanium Boron Aluminum Scandium 20 Beryllium Magnesium & Calcium ...
... hydrogen , as number I and find the following order : Period I 5 Carbon I Fluorine Chlorine 25 Manganese ∞ Oxygen Sulphur Chromium 7 Nitrogen Phosphorus Vanadium Silicon Titanium Boron Aluminum Scandium 20 Beryllium Magnesium & Calcium ...
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