Introducing
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
Elements have a tendency to combine with each other to form compounds. They only occur in combined form as compounds
Elements occurring in free state in nature - Oxygen, Nitrogen, Gold
1. Compound can be broken down into its constituent elements by chemical methods
2. A compound always contains the same elements combined together chemically in a fixed ratio
3. The properties of a compound are different from those of its constituent elements.
When two or more elements or compounds are mixed together and there is no chemical change between them, we get a mixture of the elements or compounds. In a mixture, no new molecules are formed.
A mixture can be made by mixing together two or more elements or compounds in any ratio.
1. Constituents are combined together chemically
1. Constituents are combined together not chemically but physically only
2. Constituents can be present in any ratio
2. Same constituents are present in a fixed ratio
3. Constituents can be separated only by chemical methods
3. Constituents can be separated by physical methods
4. Properties are those of their constituents
4. Have properties different from those of their constituents
5. Often energy is absorbed or released during the formation of compounds
5. Often no energy is absorbed or released when a mixture is formed