Atomic Structure Basics
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Questions and Answers

Which element has the atomic number 7?

  • Carbon
  • Fluorine
  • Oxygen
  • Nitrogen (correct)

    • What is the atomic mass of Neon?

  • 20.1797 (correct)
  • 26.9815
  • 14.0067
  • 18.9984

    • Which group does the element Sulphur belong to?

  • 16 (correct)
  • 18
  • 12
  • 14

    • Which element has an atomic mass of 26.9815?

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

    What is the chemical symbol for Chlorine?

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

    What is the atomic number of hydrogen?

    <p>1</p> Signup and view all the answers

    What is the symbol for hydrogen?

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

    What is the mass number of hydrogen?

    <p>1</p> Signup and view all the answers

    Which element has the atomic number 1?

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

    Which of the following statements is correct about hydrogen?

    <p>It has a mass number of 1.</p> Signup and view all the answers

    Which element has an atomic number of 11?

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

    What is the atomic weight of beryllium?

    <p>24</p> Signup and view all the answers

    Which element has the smallest atomic number?

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

    What is the correct atomic weight of sodium?

    <p>39</p> Signup and view all the answers

    Which element is represented by the symbol 'Mg'?

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

    Which element has an atomic number of 11?

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

    Which element has an atomic mass of 85.5?

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

    What is the atomic number of Calcium?

    <p>20</p> Signup and view all the answers

    Which element has the highest atomic number?

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

    Which element has an atomic mass of 88?

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

    Study Notes

    Atomic Concepts

    • Mass number is equivalent to relative atomic mass.
    • Atomic number is a unique identifier for each element.

    Periodic Table Overview

    • The periodic table is a tabular arrangement of elements, organized by their atomic number, electron configuration, and recurring chemical properties.
    • The table includes elements such as Hydrogen, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Aluminium, Silicon, Phosphorus, Sulphur, Chlorine, Argon, Lithium, Beryllium, Sodium, Magnesium, Potassium, Calcium, Rubidium, and Strontium.

    Elements and Their Properties

    • Boron has an atomic number of 5 and an atomic mass of 10.811.
    • Carbon has an atomic number of 6 and an atomic mass of 12.0107.
    • Nitrogen has an atomic number of 7 and an atomic mass of 14.0067.
    • Oxygen has an atomic number of 8 and an atomic mass of 15.9994.
    • Fluorine has an atomic number of 9 and an atomic mass of 18.9984.
    • Neon has an atomic number of 10 and an atomic mass of 20.1797.
    • Aluminium has an atomic number of 13 and an atomic mass of 26.9815.
    • Silicon has an atomic number of 14 and an atomic mass of 28.0855.
    • Phosphorus has an atomic number of 15 and an atomic mass of 30.9738.
    • Sulphur has an atomic number of 16 and an atomic mass of 32.065.
    • Chlorine has an atomic number of 17 and an atomic mass of 35.453.
    • Argon has an atomic number of 18 and an atomic mass of 39.948.
    • Lithium has an atomic number of 3 and an atomic weight of 23.
    • Beryllium has an atomic number of 4 and an atomic weight of 24.
    • Sodium has an atomic number of 11 and an atomic weight of 39.
    • Magnesium has an atomic number of 12 and an atomic weight of 40.
    • Potassium has an atomic number of 19 and an atomic mass of 85.5.
    • Calcium has an atomic number of 20 and an atomic mass of 40.
    • Rubidium has an atomic number of 37 and an atomic mass of 85.5.
    • Strontium has an atomic number of 38 and an atomic mass of 88.

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    Description

    This quiz covers the basics of atomic structure, including mass number and atomic number, with examples of elements like hydrogen.

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