how does an element differ from a compound explain with suitable examples
Answers
The smallest particles of matter are called atoms. Remember the carrot from the other chapter. If you continue to chop a carrot into smaller and smaller pieces, eventually you would reach a point where you could not cut up the carrot anymore, but still have carrot. You would then have molecules of carrot. The same applies to elements. If you continually cut up a piece of aluminum, you will reach a point that you could no longer divide it. These are aluminum atoms. An atom is the smallest particle of an element that has the properties of that element. Some properties of aluminum are: shiny, silver colored, fragile, and thin. Each element has its own type of properties.
Chemists use symbols to represent elements. A symbol is a letter or picture used to represent something. Chemists use one or two lettters to represent elements. The symbol for aluminum is Al. The symbol for oxygen is O.
Answer:
✏ Elements = An element consist of only one type of particles. These particles may be Atoms or Molecules. Elements are the simplest form of any substance, that is they cannot be broken down into different components.
• Atoms - Atoms are the most simple entities of any given element which cannot be broken down into any part of its own kind. For e.g., Oxygen Atom, Hydrogen Atom, etc.
• Molecules - When two or more atoms of similar type combine with each other to form a single substance, they are called as molecule. For e.g., Water, Ammonia, Carbon Dioxide, etc.
_______________________________________________
• Compounds : may or may not be same in physical and chemical properties as their constituting elements. For e.g., Hydrogen and Oxygen are gases whereas the compound formed by the compound formed by their combination that is Water is a liquid. Also, Hydrogen and Oxygen supporter of combustion whereas Water doesn't at all supports combustion.
★ More to Know :-
• Pure Substances = They have properties different from the mixtures. They have fixed composition and contain components in a fixed ratio. For e.g., Copper, Glucose, etc. Elements and Compounds have been derived from Pure Substances only.
• Mixtures = A mixture is the resultant substance formed when two or more different substances are mixed together in any ratio and in different compositions. For e.g., Salt and Sugar mixture, Salt and Water mixture. They can be further classified into Homogenous or Heterogeneous mixtures.