Elementary substance

Elementary substance is a pure substance made of the same elements. Elementary substance can no longer be broken down into two or more different substances. Such as oxygen (O2), phosphorus (P4), iron (Fe), silver (Ag) and the like. Elementary substance  and element  are two different concepts, the element is a general term for the same type of atoms of the same nuclear charge number, element is elementary substance when it exists as free state , some elements may  form a variety of single substances, such as carbon element  which may be form diamond, graphite and amorphous carbon and other elementary substances. According to different natures of elementary substances , they can be divided into metal and nonmetal two categories.

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Structure Chemical Name CAS MF
GALLIUM GALLIUM 7440-55-3 Ga
YTTERBIUM YTTERBIUM 7440-64-4 Yb
ZIRCONIUM ZIRCONIUM 7440-67-7 Zr
TANTALUM TANTALUM 7440-25-7 Ta
HAFNIUM HAFNIUM 7440-58-6 Hf
Vanadium Vanadium 7440-62-2 V
Potassium chromate Potassium chromate 7789-00-6 CrK2O4
LANTHANUM LANTHANUM 7439-91-0 La
Cobalt Cobalt 7440-48-4 Co
Lead Lead 7439-92-1 Pb
Nickel Nickel 7440-02-0 Ni
EUROPIUM EUROPIUM 7440-53-1 Eu
Palladium Palladium 7440-05-3 Pd
OSMIUM OSMIUM 7440-04-2 Os
Platinum Platinum 7440-06-4 Pt
ZINC ZINC 7440-66-6 Zn
Ruthenium Ruthenium 7440-18-8 Ru
Aluminum Aluminum 7429-90-5 Al
Boron Boron 7440-42-8 B
Antimony Antimony 7440-36-0 Sb
PLATINUM ON ACTIVATED CARBON, 10% PT, CA .50% MOISTURE PLATINUM ON ACTIVATED CARBON, 10% PT, CA .50% MOISTURE Pt
Sulfur Sulfur 7704-34-9 S8
Platinum balck Platinum balck
Selenium Selenium 7782-49-2 Se
NICKEL AND VANADIUM IN RESIDUAL FUEL OIL NICKEL AND VANADIUM IN RESIDUAL FUEL OIL 64742-79-6
TITANIUM TITANIUM 7440-32-6 Ti
Copper Copper 7440-50-8 Cu
NEODYMIUM NEODYMIUM 7440-00-8 Nd
SULFUR AA STANDARD SULFUR AA STANDARD 68515-96-8 C18H27NO4S
YTTRIUM YTTRIUM 7440-65-5 Y
Tellurium Tellurium 13494-80-9 Te
Silicon Silicon 7440-21-3 H4Si
Bismuth Bismuth 7440-69-9 Bi
INDIUM ANTIMONIDE INDIUM ANTIMONIDE 1312-41-0 InSb
RUBIDIUM RUBIDIUM 7440-17-7 Rb
GADOLINIUM GADOLINIUM 7440-54-2 Gd
SAMARIUM SAMARIUM 7440-19-9 Sm
Germanium Germanium 7440-56-4 Ge
Tungsten Tungsten 7440-33-7 W
Silver Silver 7440-22-4 Ag
TERBIUM TERBIUM 7440-27-9 Tb
White phosphorus White phosphorus 12185-10-3 P4
Iron Iron 7439-89-6 Fe
CADMIUM CADMIUM 7440-43-9 Cd
Iridium Iridium 7439-88-5 Ir
HOLMIUM HOLMIUM 7440-60-0 Ho
Phosphorus Phosphorus 7723-14-0 P
Magnesium Magnesium 7439-95-4 Mg
Potassium Potassium 7440-09-7 K
Rhodium Rhodium 7440-16-6 Rh
DYSPROSIUM DYSPROSIUM 7429-91-6 Dy
Lithium Lithium 7439-93-2 Li
SULFUR CONTENT 800MASS PPM LEVEL SULFUR CONTENT 800MASS PPM LEVEL
Indium Indium 7440-74-6 In
3-[(TETRAHYDRO-FURAN-2-YLMETHYL)-CARBAMOYL]-BICYCLO[2.2.1]HEPT-5-ENE-2-CARBOXYLIC ACID 3-[(TETRAHYDRO-FURAN-2-YLMETHYL)-CARBAMOYL]-BICYCLO[2.2.1]HEPT-5-ENE-2-CARBOXYLIC ACID 1005062-37-2 C14H19NO4
Barium Barium 7440-39-3 Ba
LUTETIUM LUTETIUM 7439-94-3 Lu
CERIUM CERIUM 7440-45-1 Ce
STRONTIUM STRONTIUM 7440-24-6 Sr
LITHIUM-6 LITHIUM-6 14258-72-1 Li
Arsenic Arsenic 7440-38-2 AsH3
CALCIUM STANDARD SOLUTION, 1 MG/ML CA IN 0.5N HNO3, FOR AAS CALCIUM STANDARD SOLUTION, 1 MG/ML CA IN 0.5N HNO3, FOR AAS Ca
MAGNESIUM STANDARD SOLUTION, 1 MG/ML MG IN 0.5N HNO3, FOR AAS MAGNESIUM STANDARD SOLUTION, 1 MG/ML MG IN 0.5N HNO3, FOR AAS Mg
SCANDIUM SCANDIUM 7440-20-2 Sc
PRASEODYMIUM PRASEODYMIUM 7440-10-0 Pr
PHOSPHORUS STANDARD SOLUTION, STABILIZED, 1 MG/ML P IN WATER, FOR AAS PHOSPHORUS STANDARD SOLUTION, STABILIZED, 1 MG/ML P IN WATER, FOR AAS H3P
RHENIUM RHENIUM 7440-15-5 Re
CALCIUM ICP-MS STANDARD CALCIUM ICP-MS STANDARD
THULIUM THULIUM 7440-30-4 Tm
BARIUM STANDARD SOLUTION, 1 MG/ML BA IN 0.5N HNO3, FOR AAS BARIUM STANDARD SOLUTION, 1 MG/ML BA IN 0.5N HNO3, FOR AAS Ba
SODIUM CHLORIDE-35 CL SODIUM CHLORIDE-35 CL 20510-55-8 ClNa
CERIUM CERIUM 13550-45-3 Ce
Graphite Graphite 7782-42-5 C24X12
ERBIUM ERBIUM 7440-52-0 Er
Cesium Cesium 7440-46-2 Cs
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