John Dalton and John Jacob Berzelius: Atomic Theory Pioneers
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John Dalton and John Jacob Berzelius: Atomic Theory Pioneers

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Questions and Answers

Who proposed the billiard model of the atom?

  • John Dalton (correct)
  • Ernest Rutherford
  • John Jacob Berzelius
  • J.J. Thomson
  • Which scientist introduced the use of letters to represent elements in the periodic table?

  • John Dalton
  • J.J. Thomson
  • John Jacob Berzelius (correct)
  • Ernest Rutherford
  • Who proposed the plum pudding model of the atom?

  • John Jacob Berzelius
  • Ernest Rutherford
  • John Dalton
  • J.J. Thomson (correct)
  • According to Ernest Rutherford, what did he conclude about atoms?

    <p>They have a nucleus and empty space</p> Signup and view all the answers

    According to Neils Bohr, how do electrons circulate the nucleus of an atom?

    <p>In specific and allowable paths called orbit</p> Signup and view all the answers

    Which scientist is known as the father of modern atomic theory?

    <p>John Dalton</p> Signup and view all the answers

    Who proposed the quantum mechanical model using mathematical equations to describe the possibility of finding an electron in a certain location?

    <p>Erwin Schrodinger</p> Signup and view all the answers

    What is the name of the region around the nucleus where electrons are most likely to be found?

    <p>Atomic orbital</p> Signup and view all the answers

    What is the highest energy level in which electrons are located?

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

    What principle states that no two electrons in the same atom can have identical values for all four of their quantum numbers?

    <p>Pauli’s Exclusion Principle</p> Signup and view all the answers

    According to the octet rule, when are atoms considered stable?

    <p>When they have eight electrons in their valence shell</p> Signup and view all the answers

    What does the flame test assist in determining?

    <p>Presence of metalloids</p> Signup and view all the answers

    Who discovered the wave nature (Standing wave) of electrons?

    <p>Louise De Broglie</p> Signup and view all the answers

    Which philosopher believed that atoms can be cut?

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

    What is the modern way of describing an atom according to the provided text?

    <p>Quantum mechanical model</p> Signup and view all the answers

    What does the sublevel refer to in an atom?

    <p>Atomic orbital</p> Signup and view all the answers

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