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If a chemical appears on the periodic table, it is a(n), ____________
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If a chemical appears on the periodic table, it is a(n), ____________

User Mohamagdy
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Answer:

An element

Step-by-step explanation:

  • If a chemical appears on the periodic table, it is an element.
  • An element is a pure substance that is made up of similar atoms.
  • It is the simplest particle of a substance that can not be broken down into simpler units using chemical means. Examples of elements include sodium metal, oxygen gas, magnesium metal, silicon, etc.
  • A compound, on the other hand, is a substance made up of two or more atoms that are different.
  • A compound results from the chemical combination of more than two elements, for example, H2O, NaNO3, etc.
User Issa Fram
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