define element , compound , and mixture ? for class 9. plz
Answers
Answer:
Elements – Elements constitute the simplest chemical substances in which all the atoms are exactly the same.
Compounds – Compounds are chemical substances made up of two or more elements that are chemically bound together in a fixed ratio.
mixture-when two or more substances mix with each other without participating in a chemical change, the resulting substance is called a Mixture.
Explanation:
Element: An element is a substance which is made of only one type of atom.
In other words we can say that element is the simplest form of matter which cannot be further divide.
Example- Copper and oxygen
Compound: A compound is a substance which is formed when two or more elements are chemically bonded together.
The element in compound are always present in fixed ratio.
Example- Water and carbon dioxide
Mixture(Impure substance): A substance that consist two or more types of particles is called Mixture.
Example- Tea , Air, Lemonade