Chemistry Basics
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Chemistry Basics

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Questions and Answers

Which one of these statements about matter is correct?

  • Matter is a form of energy
  • Matter is a substance with shiny appearance
  • Matter possesses rest mass (correct)
  • Matter cannot be decomposed
  • Which one of these statements about pure substances is correct?

  • Pure substances are made up of multiple kinds of matter
  • Pure substances consist of one particular kind of matter (correct)
  • Pure substances are always metals
  • Pure substances can be decomposed by ordinary chemical means
  • Which one of these statements about elements is correct?

  • Elements are compounds of two or more substances
  • Elements are the simplest form of matter (correct)
  • Elements can be decomposed by ordinary chemical means
  • Elements are substances with dull appearance
  • Which one of these statements about metals is correct?

    <p>Metals are substances with lustrous or shiny appearance</p> Signup and view all the answers

    Which one of these statements about nonmetals is correct?

    <p>Nonmetals are substances with dull appearance</p> Signup and view all the answers

    True or false: Matter is a material consisting of one particular kind of substance?

    <p>False</p> Signup and view all the answers

    True or false: Metals are substances with dull appearance and are brittle?

    <p>False</p> Signup and view all the answers

    True or false: Nonmetals are substances with lustrous or shiny appearance and are malleable?

    <p>False</p> Signup and view all the answers

    True or false: Metalloids are substances that cannot act as both metals and nonmetals?

    <p>False</p> Signup and view all the answers

    True or false: Compounds are chemical combinations of two or more elements that cannot be further decomposed by ordinary chemical means?

    <p>False</p> Signup and view all the answers

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