polymer
It means that a substance cannot dissolve in other substance
physical means only
An element is a pure substance that cannot be broken down into simpler substances by chemical means.
If a pure substance is volatile it means that it vaporizes readily at room temperature. This also means that the substance has weak intermolecular forces.
A mixture is not a substance because it is made up of two or more different substances that are physically combined together but can be separated by physical means, such as filtering or evaporation. Substances, on the other hand, are pure and cannot be separated by physical means.
An element cannot be separated into simpler substances by chemical means.
studyisland answer : water
cannot be broken down into simpler substances by chemical means
An element.
element
An element is a pure substance that cannot be broken down into simpler substances by chemical means. Each element is composed of only one type of atom.
An element is a substance that cannot be split into simpler substances through chemical means. It is composed of only one type of atom.