General Chemistry Lecture 2: Atoms, Ions, and Molecules
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Questions and Answers

What is a compound?

  • A substance that occupies space but has no mass
  • A substance that can be broken down into simpler kinds of matter
  • An element that readily combines with other elements
  • A pure substance made up of atoms of two or more elements (correct)

    • What is the central core of an atom called?

  • Proton
  • Electron
  • Nucleus (correct)
  • Neutron

    • What determines the structure and properties of the matter composed of atoms?

  • Properties of atoms (correct)
  • Number of electrons
  • Number of neutrons
  • Number of protons

    • How many energy levels do atoms have?

    <p>7</p> Signup and view all the answers

    What is the composition of each shell in an atom?

    <p>Composed of one or more subshells, which are themselves composed of atomic orbitals</p> Signup and view all the answers

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