ଫର୍ମିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
(Fermium ରୁ ଲେଉଟି ଆସିଛି)
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Fermium,  100Fm
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ fermium, Fm
Appearance unknown
ଉଚ୍ଚାରଣ /ˈfɜrmiəm/
fer-mee-əm
Fermium in the periodic table
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Er

Fm

(Upb)
einsteiniumfermiummendelevium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) 100
ଶ୍ରେଣୀ, ବ୍ଳକ group n/a, f-block
ପର୍ଯ୍ୟାୟ period 7
ମୌଳିକ ପ୍ରକାର   actinide
ମାନକ ପରମାଣବିକ ଓଜନ (Ar) (257)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Rn] 5f12 7s2
per shell
2, 8, 18, 32, 30, 8, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା solid
ଗଳନାଙ୍କ 1800 K ​(1527 °C, ​2781 °F)
Atomic properties
Oxidation states 2, 3
Electronegativity Pauling scale: 1.3
Miscellanea
CAS Number 7440-72-4
ଇତିହାସ
ଆବିଷ୍କାର Lawrence Berkeley National Laboratory (1952)
Most stable isotopes of fermium
iso NA half-life DM DE (MeV) DP
252Fm syn 25.39 h SF - -
α 7.153 248Cf
253Fm syn 3 d ε 0.333 253Es
α 7.197 249Cf
255Fm syn 20.07 h SF - -
α 7.241 251Cf
257Fm syn 100.5 d α 6.864 253Cf
SF - -
| references

ଫର୍ମିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Fmପରମାଣୁ କ୍ରମାଙ୍କ ୧୦୦ ଅଟେ ।

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