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మూస:Periodic table (halogens)

Halogens
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium
chalcogens ←    → noble gases
IUPAC group number 17
Name by element fluorine group
Trivial name halogens
CAS group number
(US, pattern A-B-A)
 VIIA
old IUPAC number
(Europe, pattern A-B)
 VIIB
↓ Period
2
Image: Liquid fluorine at cryogenic temperatures
Fluorine (F)
9 Halogen
3
Image: Chlorine gas
Chlorine (Cl)
17 Halogen
4
Image: Liquid bromine
Bromine (Br)
35 Halogen
5
Image: Iodine crystal
Iodine (I)
53 Halogen
6 Astatine (At)
85 Halogen
Legend
primordial element
element from decay
Atomic number color:
black=solid, green=liquid, red=gas
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