hematite, magnetite.
iron sulphide, iron(II) sulphide or ferrous sulphide. Iron sulphide is ambiguous however and could refer to any one of a range of iron sulphur compounds,including Fe3S4 and Fe2S3
An iron atom is a different element than a sodium atom because it has a different ground state electron configuration. In fact, any atom that differs from any other atom in ground state electron configuration is a different element.
Pyrite, iron sulfide, FeS, also commonly known as fool's gold.
Any of the two poles will work. It will induce magnetism in the iron.
Chlorine and iron typically do not react with each other to form any specific compound. Iron can react with chlorine to form iron chlorides such as iron (III) chloride (FeCl3) or iron (II) chloride (FeCl2) depending on the oxidation state of iron and conditions of the reaction.
The name of pure iron is just "iron." When iron is in its pure form, it consists of iron atoms without any other elements or impurities mixed in.
A ferrous metal is iron and any metallic compound containing iron.
Checking the temperature of any liquid
Yes -very few (if any) clones.
It is any combination or blend of different elements, kinds or quantities
any metal that is not iron
Blast furnace iron is pure iron. It isn't mixed with any other elements. In steel, iron is mixed with small amounts of carbon.
Pure iron is grey. Iron compounds have different colours, for example iron chloride is yellow, iron(II) hydroxide is green and iron(III) oxide is red-brown.
A quadrilateral is any polygon with four sides and four angles. Different types of quadrilaterals include trapezoid, parallelogram, rhombus, rectangle, and square.
Ferrum is Latin for iron, any tool made of iron and/or a sword.
They are made of different kinds of molecules.
There are several subspecies, but only one species, Puma concolor.