<Table> Cobalt , Co <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th colspan="2"> General properties </Th> </Tr> <Tr> <Th> Pronunciation </Th> <Td> / ˈkoʊbɒlt / ( listen ) </Td> </Tr> <Tr> <Th> Appearance </Th> <Td> hard lustrous bluish gray metal </Td> </Tr> <Tr> <Th> Standard atomic weight ( A ) </Th> <Td> 7001589331940000000 ♠ 58.933 194 ( 4 ) </Td> </Tr> <Tr> <Th colspan="2"> Cobalt in the periodic table </Th> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> <Table> <Tr> <Td> <Table> <Tr> <Td> Hydrogen </Td> <Td colspan="30"> </Td> <Td> Helium </Td> </Tr> <Tr> <Td> Lithium </Td> <Td> Beryllium </Td> <Td colspan="24"> </Td> <Td> Boron </Td> <Td> Carbon </Td> <Td> Nitrogen </Td> <Td> Oxygen </Td> <Td> Fluorine </Td> <Td> Neon </Td> </Tr> <Tr> <Td> Sodium </Td> <Td> Magnesium </Td> <Td colspan="24"> </Td> <Td> Aluminium </Td> <Td> Silicon </Td> <Td> Phosphorus </Td> <Td> Sulfur </Td> <Td> Chlorine </Td> <Td> Argon </Td> </Tr> <Tr> <Td> Potassium </Td> <Td> Calcium </Td> <Td> Scandium </Td> <Td colspan="14"> </Td> <Td> Titanium </Td> <Td> Vanadium </Td> <Td> Chromium </Td> <Td> Manganese </Td> <Td> Iron </Td> <Td> Cobalt </Td> <Td> Nickel </Td> <Td> Copper </Td> <Td> Zinc </Td> <Td> Gallium </Td> <Td> Germanium </Td> <Td> Arsenic </Td> <Td> Selenium </Td> <Td> Bromine </Td> <Td> Krypton </Td> </Tr> <Tr> <Td> Rubidium </Td> <Td> Strontium </Td> <Td> Yttrium </Td> <Td> </Td> <Td colspan="13"> </Td> <Td> Zirconium </Td> <Td> Niobium </Td> <Td> Molybdenum </Td> <Td> Technetium </Td> <Td> Ruthenium </Td> <Td> Rhodium </Td> <Td> Palladium </Td> <Td> Silver </Td> <Td> Cadmium </Td> <Td> Indium </Td> <Td> Tin </Td> <Td> Antimony </Td> <Td> Tellurium </Td> <Td> Iodine </Td> <Td> Xenon </Td> </Tr> <Tr> <Td> Caesium </Td> <Td> Barium </Td> <Td> Lanthanum </Td> <Td> Cerium </Td> <Td> Praseodymium </Td> <Td> Neodymium </Td> <Td> Promethium </Td> <Td> Samarium </Td> <Td> Europium </Td> <Td> Gadolinium </Td> <Td> Terbium </Td> <Td> Dysprosium </Td> <Td> Holmium </Td> <Td> Erbium </Td> <Td> Thulium </Td> <Td> Ytterbium </Td> <Td> Lutetium </Td> <Td> Hafnium </Td> <Td> Tantalum </Td> <Td> Tungsten </Td> <Td> Rhenium </Td> <Td> Osmium </Td> <Td> Iridium </Td> <Td> Platinum </Td> <Td> Gold </Td> <Td> Mercury ( element ) </Td> <Td> Thallium </Td> <Td> Lead </Td> <Td> Bismuth </Td> <Td> Polonium </Td> <Td> Astatine </Td> <Td> Radon </Td> </Tr> <Tr> <Td> Francium </Td> <Td> Radium </Td> <Td> Actinium </Td> <Td> Thorium </Td> <Td> Protactinium </Td> <Td> Uranium </Td> <Td> Neptunium </Td> <Td> Plutonium </Td> <Td> Americium </Td> <Td> Curium </Td> <Td> Berkelium </Td> <Td> Californium </Td> <Td> Einsteinium </Td> <Td> Fermium </Td> <Td> Mendelevium </Td> <Td> Nobelium </Td> <Td> Lawrencium </Td> <Td> Rutherfordium </Td> <Td> Dubnium </Td> <Td> Seaborgium </Td> <Td> Bohrium </Td> <Td> Hassium </Td> <Td> Meitnerium </Td> <Td> Darmstadtium </Td> <Td> Roentgenium </Td> <Td> Copernicium </Td> <Td> Nihonium </Td> <Td> Flerovium </Td> <Td> Moscovium </Td> <Td> Livermorium </Td> <Td> Tennessine </Td> <Td> Oganesson </Td> </Tr> </Table> </Td> <Td> -- ↑ Co ↓ Rh </Td> </Tr> <Tr> <Td colspan="2"> iron ← cobalt → nickel </Td> </Tr> </Table> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th> Atomic number ( Z ) </Th> <Td> 27 </Td> </Tr> <Tr> <Th> Group </Th> <Td> group 9 </Td> </Tr> <Tr> <Th> Period </Th> <Td> period 4 </Td> </Tr> <Tr> <Th> Element category </Th> <Td> transition metal </Td> </Tr> <Tr> <Th> Block </Th> <Td> d - block </Td> </Tr> <Tr> <Th> Electron configuration </Th> <Td> ( Ar ) 3d 4s </Td> </Tr> <Tr> <Th> Electrons per shell </Th> <Td> 2 , 8 , 15 , 2 </Td> </Tr> <Tr> <Th colspan="2"> Physical properties </Th> </Tr> <Tr> <Th> Color </Th> <Td> metallic gray </Td> </Tr> <Tr> <Th> Phase at STP </Th> <Td> solid </Td> </Tr> <Tr> <Th> Melting point </Th> <Td> 1768 K ​ ( 1495 ° C , ​ 2723 ° F ) </Td> </Tr> <Tr> <Th> Boiling point </Th> <Td> 3200 K ​ ( 2927 ° C , ​ 5301 ° F ) </Td> </Tr> <Tr> <Th> Density ( near r.t. ) </Th> <Td> 8.90 g / cm </Td> </Tr> <Tr> <Th> when liquid ( at m.p. ) </Th> <Td> 8.86 g / cm </Td> </Tr> <Tr> <Th> Heat of fusion </Th> <Td> 16.06 kJ / mol </Td> </Tr> <Tr> <Th> Heat of vaporization </Th> <Td> 377 kJ / mol </Td> </Tr> <Tr> <Th> Molar heat capacity </Th> <Td> 24.81 J / ( mol K ) </Td> </Tr> <Tr> <Td colspan="2"> Vapor pressure <Table> <Tr> <Th> P ( Pa ) </Th> <Th> </Th> <Th> 10 </Th> <Th> 100 </Th> <Th> 1 k </Th> <Th> 10 k </Th> <Th> 100 k </Th> </Tr> <Tr> <Th> at T ( K ) </Th> <Td> 1790 </Td> <Td> 1960 </Td> <Td> 2165 </Td> <Td> 2423 </Td> <Td> 2755 </Td> <Td> 3198 </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th colspan="2"> Atomic properties </Th> </Tr> <Tr> <Th> Oxidation states </Th> <Td> − 3 , − 1 , + 1 ,
<Table> Cobalt , Co <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th colspan="2"> General properties </Th> </Tr> <Tr> <Th> Pronunciation </Th> <Td> / ˈkoʊbɒlt / ( listen ) </Td> </Tr> <Tr> <Th> Appearance </Th> <Td> hard lustrous bluish gray metal </Td> </Tr> <Tr> <Th> Standard atomic weight ( A ) </Th> <Td> 7001589331940000000 ♠ 58.933 194 ( 4 ) </Td> </Tr> <Tr> <Th colspan="2"> Cobalt in the periodic table </Th> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> <Table> <Tr> <Td> <Table> <Tr> <Td> Hydrogen </Td> <Td colspan="30"> </Td> <Td> Helium </Td> </Tr> <Tr> <Td> Lithium </Td> <Td> Beryllium </Td> <Td colspan="24"> </Td> <Td> Boron </Td> <Td> Carbon </Td> <Td> Nitrogen </Td> <Td> Oxygen </Td> <Td> Fluorine </Td> <Td> Neon </Td> </Tr> <Tr> <Td> Sodium </Td> <Td> Magnesium </Td> <Td colspan="24"> </Td> <Td> Aluminium </Td> <Td> Silicon </Td> <Td> Phosphorus </Td> <Td> Sulfur </Td> <Td> Chlorine </Td> <Td> Argon </Td> </Tr> <Tr> <Td> Potassium </Td> <Td> Calcium </Td> <Td> Scandium </Td> <Td colspan="14"> </Td> <Td> Titanium </Td> <Td> Vanadium </Td> <Td> Chromium </Td> <Td> Manganese </Td> <Td> Iron </Td> <Td> Cobalt </Td> <Td> Nickel </Td> <Td> Copper </Td> <Td> Zinc </Td> <Td> Gallium </Td> <Td> Germanium </Td> <Td> Arsenic </Td> <Td> Selenium </Td> <Td> Bromine </Td> <Td> Krypton </Td> </Tr> <Tr> <Td> Rubidium </Td> <Td> Strontium </Td> <Td> Yttrium </Td> <Td> </Td> <Td colspan="13"> </Td> <Td> Zirconium </Td> <Td> Niobium </Td> <Td> Molybdenum </Td> <Td> Technetium </Td> <Td> Ruthenium </Td> <Td> Rhodium </Td> <Td> Palladium </Td> <Td> Silver </Td> <Td> Cadmium </Td> <Td> Indium </Td> <Td> Tin </Td> <Td> Antimony </Td> <Td> Tellurium </Td> <Td> Iodine </Td> <Td> Xenon </Td> </Tr> <Tr> <Td> Caesium </Td> <Td> Barium </Td> <Td> Lanthanum </Td> <Td> Cerium </Td> <Td> Praseodymium </Td> <Td> Neodymium </Td> <Td> Promethium </Td> <Td> Samarium </Td> <Td> Europium </Td> <Td> Gadolinium </Td> <Td> Terbium </Td> <Td> Dysprosium </Td> <Td> Holmium </Td> <Td> Erbium </Td> <Td> Thulium </Td> <Td> Ytterbium </Td> <Td> Lutetium </Td> <Td> Hafnium </Td> <Td> Tantalum </Td> <Td> Tungsten </Td> <Td> Rhenium </Td> <Td> Osmium </Td> <Td> Iridium </Td> <Td> Platinum </Td> <Td> Gold </Td> <Td> Mercury ( element ) </Td> <Td> Thallium </Td> <Td> Lead </Td> <Td> Bismuth </Td> <Td> Polonium </Td> <Td> Astatine </Td> <Td> Radon </Td> </Tr> <Tr> <Td> Francium </Td> <Td> Radium </Td> <Td> Actinium </Td> <Td> Thorium </Td> <Td> Protactinium </Td> <Td> Uranium </Td> <Td> Neptunium </Td> <Td> Plutonium </Td> <Td> Americium </Td> <Td> Curium </Td> <Td> Berkelium </Td> <Td> Californium </Td> <Td> Einsteinium </Td> <Td> Fermium </Td> <Td> Mendelevium </Td> <Td> Nobelium </Td> <Td> Lawrencium </Td> <Td> Rutherfordium </Td> <Td> Dubnium </Td> <Td> Seaborgium </Td> <Td> Bohrium </Td> <Td> Hassium </Td> <Td> Meitnerium </Td> <Td> Darmstadtium </Td> <Td> Roentgenium </Td> <Td> Copernicium </Td> <Td> Nihonium </Td> <Td> Flerovium </Td> <Td> Moscovium </Td> <Td> Livermorium </Td> <Td> Tennessine </Td> <Td> Oganesson </Td> </Tr> </Table> </Td> <Td> -- ↑ Co ↓ Rh </Td> </Tr> <Tr> <Td colspan="2"> iron ← cobalt → nickel </Td> </Tr> </Table> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th> Atomic number ( Z ) </Th> <Td> 27 </Td> </Tr> <Tr> <Th> Group </Th> <Td> group 9 </Td> </Tr> <Tr> <Th> Period </Th> <Td> period 4 </Td> </Tr> <Tr> <Th> Element category </Th> <Td> transition metal </Td> </Tr> <Tr> <Th> Block </Th> <Td> d - block </Td> </Tr> <Tr> <Th> Electron configuration </Th> <Td> ( Ar ) 3d 4s </Td> </Tr> <Tr> <Th> Electrons per shell </Th> <Td> 2 , 8 , 15 , 2 </Td> </Tr> <Tr> <Th colspan="2"> Physical properties </Th> </Tr> <Tr> <Th> Color </Th> <Td> metallic gray </Td> </Tr> <Tr> <Th> Phase at STP </Th> <Td> solid </Td> </Tr> <Tr> <Th> Melting point </Th> <Td> 1768 K ​ ( 1495 ° C , ​ 2723 ° F ) </Td> </Tr> <Tr> <Th> Boiling point </Th> <Td> 3200 K ​ ( 2927 ° C , ​ 5301 ° F ) </Td> </Tr> <Tr> <Th> Density ( near r.t. ) </Th> <Td> 8.90 g / cm </Td> </Tr> <Tr> <Th> when liquid ( at m.p. ) </Th> <Td> 8.86 g / cm </Td> </Tr> <Tr> <Th> Heat of fusion </Th> <Td> 16.06 kJ / mol </Td> </Tr> <Tr> <Th> Heat of vaporization </Th> <Td> 377 kJ / mol </Td> </Tr> <Tr> <Th> Molar heat capacity </Th> <Td> 24.81 J / ( mol K ) </Td> </Tr> <Tr> <Td colspan="2"> Vapor pressure <Table> <Tr> <Th> P ( Pa ) </Th> <Th> </Th> <Th> 10 </Th> <Th> 100 </Th> <Th> 1 k </Th> <Th> 10 k </Th> <Th> 100 k </Th> </Tr> <Tr> <Th> at T ( K ) </Th> <Td> 1790 </Td> <Td> 1960 </Td> <Td> 2165 </Td> <Td> 2423 </Td> <Td> 2755 </Td> <Td> 3198 </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th colspan="2"> Atomic properties </Th> </Tr> <Tr> <Th> Oxidation states </Th> <Td> − 3 , − 1 , + 1 ,
what is the atomic mass of the element cobalt ( co )
what is the atomic mass of the element cobalt ( co )
58.933 194
58.933 194