a chemical compound is a substance consisting of two or more elements in a fixed ratio.
element
A compound is defined by a substance in which the elements that it is made of are in a fixed ratio. In this case the ratio between the hydrogen and oxygen in 2:1. A mixture is a substance in which the elements that make it are not in a fixed ratio
is called a "compound".
A compound is a chemical combination of two or more elements in a fixed ratio.
A pure substance is any substance with a fixed chemical composition, meaning either a single element or a compound (chemically-bound elements in a fixed ratio).
This is is a stoichiometric chemical compound.
The fixed ratio of the elements in a chemical compound is called its RATIO OF MASSES.
A pure substance is a substance that consists of either a single chemical element, or two or more elements chemically bonded in a fixed ratio. In other words a pure substance is either an element or a compound.
water contains two elements(H and O),but still it is called a pure substance because: 1) H and O are present in it by a fixed ratio 1:8, by atomic number 2) H and O are present in it by a fixed ratio 2:16 by atomic mass. Simply it is a compound and any compound is a pure substance.
An alloy is a mixture of Metals. A mixture is a combination of elements in an unfixed ratio. A compound is a mixture of elements in a fixed ratio.
Two or more elements chemically combined is called a chemical compound. Compounds can be held together different interactions like ionic bonds or covalent bonds.
A compound forms whenever 2 or more different elements are chemically bonded.
A chemical compound is a substance consisting of two or more different elements bonded together in a fixed mass ratio that can be split into simpler substances. (above text taken from wikipedia) Examples- water salt carbon dioxide Compounds have existed since shortly after the creation of the universe, they were not invented by a person.