[DOC] [TLE] Iridium - Wikipedia [PAR] Iridium is a chemical element with symbol Ir and atomic number 77. A very hard, 
brittle, ... Iridium is found in meteorites with an abundance much higher than its ... 
the high density and tendency of iridium to bond with iron caused most iridium to 
.... The discovery that this metal was not an alloy of known elements, but instead 
a... [DOC] [TLE] Iridium, Chemical Element - reaction, water, uses, elements ... [PAR] They have this name because they do not react well with other elements and 
compounds. ... SYMBOL Ir. ATOMIC NUMBER 77. ATOMIC MASS 192.217. 
FAMILY ... In the late 1780s, the Spanish government gave its entire supply of 
platinum ... Iron meteorites, for example, generally contain about 3 parts per 
million of iridium... [DOC] [TLE] Compare Iridium vs Iron - Compare Metals [PAR] Compare Iridium vs Iron on the basis of their different properties. ... Iron is not 
always magnetic in nature, its allotrope are ferromagnetic and the B ...... Iridium 
and Iron are 77 and 26 whereas their respective atomic symbols/icons are Ir and 
Fe. [DOC] [TLE] Be Atomic Number - Metallium - ElementSales.com [PAR] The metal is stable in air but will burn at a temperature close to its melting point, 
giving .... It is somewhat magnetic but not nearly as strong as iron or cobalt. .... 
Iridium: Symbol: Ir Atomic Number: 77. Atomic Weight: 192.217. Density: 22.42 g/
cc [DOC] [TLE] Iridium - Royal Society of Chemistry [PAR] Element Iridium (Ir), Group 9, Atomic Number 77, d-block, Mass 192.217. Sources
, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. [DOC] [TLE] the chemical symbol for iron - Ajnara Ambrosia [PAR] Iron is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 
26. ... Iron is an element, not a compound, therefore does not have a chemical 
formula. It's ... Its atomic number is 26; its atomic mass is 55.845. ... to Elements (
Fill in the Blank) [BL Hf Hafnium He Helium In Indium I Iodine Ir Iridium Fe Iron ? [DOC] [TLE] Iridiumthe essentials [WebElements Periodic Table] [PAR] The name iridium is appropriate, for its salts are highly coloured. ... Human, (no 
data) ppb by weight, (no data) atoms relative to C = 1000000, Chemical elements 
... of neutral Iridium is [Xe].4f14.5d7.6s2 and the term symbol of Iridium is 4F9/2. ... 
Holmium  Hydrogen  Indium  Iodine  Iridium  Iron  Krypton  Lanthanum... [DOC] [TLE] ChemTeam: Calculate empirical formula when given mass data [PAR] Determine identity of an element from a binary formula and mass data ... contains 
16.7 g of Iridium and 10.3 g of Selenium, what is its empirical formula? ... Problem 
#6: A sample of magnetite contained 50.4 g of iron and 19.2 g of oxygen. ... Note 
the use of the atomic weight of chlorine, not the molecular weight of Cl2. [DOC] [TLE] Iron - Chemicool [PAR] The chemical element iron is classed as a transition metal. It has been ... Its 
discoverer and discovery date are unknown. .... (7); In ancient times, people did 
not know how very abundant iron was on Earth. ... Magnetite's formula is FeO. .... 
Hafnium - Hassium - Helium - Holmium - Hydrogen - Indium - Iodine - Iridium - 
Iron. [DOC] [TLE] Precious metals gold, silver, platinum, palladium and titanium ... [PAR] grey gold, iron ... Its chemical symbol, Au, is short for the Latin word for gold, "
Aurum", which means "Glowing Dawn". ... with 5% of other metals, usually Iridium 
(another even rarer metal in the platinum family) to make it more workable. ... 
Titanium - Titanium is not a rare element, its the 9th most common element, 
accounting... [DOC] [TLE] History of the chemical symbols and the Periodic Table ... [PAR] In addition, it contained a list of 33 elements, or substances that could not be ... 
and the

Question: It's the chemical symbol for iridium, not iron
Answer: Ir