Recent questions tagged substances

Description : Names and formulae of substances

Last Answer : Think about what you call your friends. Some of your friends might have full names (long names) and a nickname (short name). These are the words we use to tell others who or what we are ... that was used earlier, the compound name is a combination of the names of the elements but slightly changed.

Description : Pure substances

Last Answer : Any material that is not a mixture, is called a pure substance. Pure substances include elements and compounds. It is much more difficult to break down pure substances into their parts, and complex chemical methods are needed to do this.