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๐Ÿ”คElement vs Compound๐Ÿงฉ

Elements and compounds are both pure substances, but only one can be broken down into something simpler.

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๐Ÿ”คElement
  • โœ“Made of only one type of atom
  • โœ“Cannot be broken down chemically
  • โœ“Listed on the periodic table
  • โœ“Examples: oxygen, gold, carbon
  • โœ“About 118 known elements
๐ŸงฉCompound
  • โœ“Two or more elements chemically bonded
  • โœ“Can be broken down into elements
  • โœ“Has properties different from its elements
  • โœ“Fixed ratio of atoms by formula
  • โœ“Examples: water, carbon dioxide, salt

Verdict

An element is the simplest pure substance and cannot be split chemically; a compound is elements bonded in a fixed ratio that can be broken down again.

Frequently asked

Can a compound be split into elements?+

Yes. A compound can be chemically decomposed into the elements that make it.

Do compounds keep their elements' properties?+

No. A compound usually has properties quite different from the elements it contains.

How many elements exist?+

About 118 elements are currently recognized on the periodic table.

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