Kadmyo

Ang kadmyo o cadmyo (Iningles cadmium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Cd ug kaiphan nga atomik 48.

Ang kadmyo mao ang puthaw nga transisyon.

Cadmium
48Cd
Zn

Cd

Hg
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)
Periodic table
silvercadmium → indium
Panagway
silvery bluish-gray metallic
Kadmyo
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan cadmium, Cd, 48
Paglitok /ˈkædmiəm/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-mee-əm]]
Kategoriyang elemento puthaw nga transisyon
Alternatively considered a post-transition metal
Group, period, block 12, 5, d
Gibug-aton sa atomo 112.411
Kontorno sa elektron [Kr] 5s2 4d10
2, 8, 18, 18, 2
Electron shells of cadmium (2, 8, 18, 18, 2)
Electron shells of cadmium (2, 8, 18, 18, 2)
History
Pagkadiskobre Karl Samuel Leberecht Hermann and Friedrich Stromeyer (1817)
First isolation Karl Samuel Leberecht Hermann and Friedrich Stromeyer (1817)
Named by Friedrich Stromeyer (1817)
Physical properties
Phase magahi
Density (near r.t.) 8.65 g·cm−3
Liquid density at m.p. 7.996 g·cm−3
Melting point 594.22 K, 321.07 °C, 609.93 °F
Boiling point 1040 K, 767 °C, 1413 °F
Heat of fusion 6.21 kJ·mol−1
Heat of vaporization 99.87 kJ·mol−1
Molar heat capacity 26.020 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 530 583 654 745 867 1040
Atomic properties
Oxidation states 2, 1 (mildly basic oxide)
Electronegativity 1.69 (Pauling scale)
Ionization energies 1st: 867.8 kJ·mol−1
2nd: 1631.4 kJ·mol−1
3rd: 3616 kJ·mol−1
Atomic radius 151 pm
Covalent radius 144±9 pm
Van der Waals radius 158 pm
Miscellanea
Crystal structure hexagonal
Cadmium has a hexagonal crystal structure
Magnetic ordering diamagnetic
Electrical resistivity (22 °C) 72.7 nΩ·m
Thermal conductivity 96.6 W·m−1·K−1
Thermal expansion (25 °C) 30.8 µm·m−1·K−1
Speed of sound (thin rod) (20 °C) 2310 m·s−1
Young's modulus 50 GPa
Shear modulus 19 GPa
Bulk modulus 42 GPa
Poisson ratio 0.30
Mohs hardness 2.0
Brinell hardness 203 MPa
CAS registry number 7440-43-9
Most stable isotopes
Main article: Isotopes of cadmium
iso NA half-life DM DE (MeV) DP
106Cd 1.25% >4.1×1020 y β+β+ 2.770 106Pd
107Cd syn 6.5 h ε 1.417 107Ag
108Cd 0.89% >4.1×1017 y β+β+ 0.272 108Pd
109Cd syn 462.6 d ε 0.214 109Ag
110Cd 12.49% 110Cd is stable with 62 neutrons
111Cd 12.8% 111Cd is stable with 63 neutrons
112Cd 24.13% 112Cd is stable with 64 neutrons
113Cd 12.22% 7.7×1015 y β 0.316 113In
113mCd syn 14.1 y β 0.580 113In
IT 0.264 113Cd
114Cd 28.73% >6.4×1018 y ββ 0.540 114Sn
115Cd syn 53.46 h β 1.446 115In
116Cd 7.49% 3.1×1019 y ββ 2.809 116Sn
· r

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Elementong kimikoIninglesTalaang peryodiko

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