octagon is collective
The square cube would melt slower because it has fewer faces and verticies than an octagon which create a weakness.
mixture
An ionic compound is an example of a chemical compound.
plastic is a compound .
Do you mean how is an organic compound different from an inorganic compound? If so, an organic compound has carbon, an inorganic compound does not need to have carbon.
octagon is collective
The noun 'octagon' is not a collective noun or a compound noun.The noun 'octagon' is a singular, common, concrete noun, a word for a geometric shape, an object or a building with eight sides.A collective noun is a noun used to group people or things in a descriptive way.Examples are a crowd of people or a herd of elephants.A compound noun is a word made of two or more individual words that merge to form a noun with a meaning of its own.Examples are bathtub or bus stop.
"Redhead" is a compound noun comprised of the root "red" and the noun "head." It combines these two words to create a distinct term for someone with red hair.
It is a compound .
The collective noun is a store of supplies.
No, the word spacesuit is a singular, common, concrete, compound noun; but not a collective noun.
It is a compound noun used as a unit of work in the English system.
The noun townsfolk is a compound noun, towns + folk. Some collective nouns for townsfolk are a party of townsfolk, a meeting of townsfolk, etc.
The noun 'orchestra' is not a compound noun. A compound noun is a word made of two or more individual words that merge to form a noun with a meaning of its own. The noun 'orchestra' is sometimes used as a collective noun as 'an orchestra of musicians'. A collective noun is a function of a noun, not a form of a noun.
The noun 'community' is not a compound noun. A compound noun is a noun made up of two or more words that form a noun with a meaning of its own.The noun community is not a standardized collective noun.A collective noun is an informal part of language and any noun can function as a collective noun in thee context of a given sentence; for example a community of people, a community of artists, a community of academics, etc.
Your question makes no sense to me.
The noun 'roommate' is a singular, common, compound noun; a word for a person occupying the same room, apartment, or house as another; a word for a person. The noun roommate is not used as a collective noun.