Understanding Elements in Science
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Questions and Answers

What is an element?

  • A substance that can be broken down further into other substances
  • A mixture of different types of atoms
  • A pure substance made of only 1 type of atom (correct)
  • A compound made of two or more types of atoms

    • Why is water not considered an element?

  • Because it can be broken down into other substances (correct)
  • Because it is a compound
  • Because it is made of hydrogen and oxygen
  • Because it can be found in the periodic table

    • Are elements and chemicals the same?

  • Yes, but only when they are in a gaseous state
  • No, elements are not considered chemicals (correct)
  • No, chemicals can never be pure substances
  • Yes, they are exactly the same

    • What are elements made of?

    <p>Atoms (D)</p> Signup and view all the answers

    What makes elements different from each other?

    <p>Their properties and the types of atoms they are made of (A)</p> Signup and view all the answers

    In an atom, where are the protons and neutrons located?

    <p>In the nucleus (B)</p> Signup and view all the answers

    What determines the reactivity of an element?

    <p>The number and location of protons (C)</p> Signup and view all the answers

    What makes each element unique?

    <p>The number of protons (C)</p> Signup and view all the answers

    Which element is the lightest and most abundant in the universe?

    <p>Hydrogen (A)</p> Signup and view all the answers

    What are the two main categories of elements notable on the Periodic Table?

    <p>Metals and Non-metals (A)</p> Signup and view all the answers

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