Atomic Structure Overview
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Questions and Answers

What is the charge of a proton?

  • -1.6 x 10⁻¹⁹ C
  • +3.2 x 10⁻¹⁹ C
  • +1.6 x 10⁻¹⁹ C (correct)
  • 0 C
  • In Bohr's atomic model, what role do the electrons play in relation to the nucleus?

  • Electrons are found only inside the nucleus.
  • Electrons orbit the nucleus due to attractive electric forces. (correct)
  • Electrons are attracted to each other and orbit the nucleus.
  • Electrons repel the nucleus and remain stationary.
  • What particles compose the nucleus of an atom?

  • Protons and electrons
  • Neutrons and electrons
  • Electrons only
  • Protons and neutrons (correct)
  • Which of the following statements about protons and neutrons is incorrect?

    <p>All neutrons have the same magnitude of charge.</p> Signup and view all the answers

    How does the Rutherford model of the atom resemble a solar system?

    <p>The nucleus acts like a star, while electrons are the planets orbiting it.</p> Signup and view all the answers

    Ποια από τις παρακάτω προτάσεις περιγράφει καλύτερα τον ρόλο των ηλεκτρονίων στο μοντέλο του Bohr;

    <p>Τα ηλεκτρόνια περιστρέφονται γύρω από τον πυρήνα λόγω ελκτικών ηλεκτρικών δυνάμεων.</p> Signup and view all the answers

    Στο μοντέλο του Rutherford, ποια είναι η ακριβής θέση των πρωτονίων;

    <p>Στον πυρήνα του ατόμου.</p> Signup and view all the answers

    Ποιες είναι οι ηλεκτρικές φορτίσεις των βασικών σωματιδίων στον πυρήνα ενός ατόμου;

    <p>Οι πρωτόνιοι έχουν θετική φόρτιση, οι νετρόνιοι ουδέτερη.</p> Signup and view all the answers

    Ποια δήλωση για τα ηλεκτρόνια είναι έγκυρη σύμφωνα με τον Bohr;

    <p>Ελκύονται από τα πρωτόνια στον πυρήνα.</p> Signup and view all the answers

    Ποιοί είναι οι τύποι σωματιδίων που βρίσκονται στον πυρήνα ενός ατόμου;

    <p>Πρωτόνια και νετρόνια.</p> Signup and view all the answers

    Study Notes

    Atomic Structure

    • Atoms are the basic building blocks of matter
    • Atoms consist of a nucleus and electrons
    • The nucleus contains positively charged protons and neutral neutrons
    • Negatively charged electrons orbit the nucleus
    • Protons and electrons attract each other electrically
    • Electrons repel each other
    • The structure of atoms is like the solar system, with the nucleus equivalent to the sun and electrons to the planets
    • The model of the atom that resembles the solar system is the Rutherford model

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    Description

    Explore the fundamental concepts of atomic structure, including the roles of protons, neutrons, and electrons. Learn how the Rutherford model compares to the solar system, illustrating the interactions between particles. This quiz is essential for understanding the basics of chemistry and physics.

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