Ionization Energy and Atomic Radius Quiz
14 Questions
0 Views

Ionization Energy and Atomic Radius Quiz

Created by
@SpellbindingInfinity

Podcast Beta

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is NOT a characteristic of atoms?

  • They have mass
  • They can be further divided into smaller particles (correct)
  • They are the smallest unit of an element
  • They occupy space

    • In the image of the copper penny, what do the brown spheres represent?

  • Protons
  • Oxygen atoms
  • Neutrons
  • Copper atoms (correct)

    • What is the ratio of copper atoms to oxygen atoms in the compound copper(II) oxide?

  • 1:2
  • 2:1
  • 3:1
  • 1:1 (correct)

    • Which of the following statements about phase changes is NOT true?

    <p>The particles themselves change into different elements</p> Signup and view all the answers

    Who are the primary contributors to the development of the modern Periodic Table?

    <p>Dmitri Ivanovich Mendeleev and Julius Lothar Meyer</p> Signup and view all the answers

    What is the primary purpose of a beaker?

    <p>To mix, stir, and heat chemicals</p> Signup and view all the answers

    What additional equipment is typically used when heating a liquid in a beaker?

    <p>Tripod, Bunsen burner, and wire gauze</p> Signup and view all the answers

    What is the primary function of a stirring rod?

    <p>To stir solutions and transfer liquid</p> Signup and view all the answers

    Which of the following is a characteristic of an Erlenmeyer flask?

    <p>All of the above</p> Signup and view all the answers

    What is the primary purpose of a Florence flask?

    <p>To hold liquids and can be easily swirled and heated</p> Signup and view all the answers

    What is the key difference between a test tube and a Florence flask?

    <p>Test tubes have one end open and the other end closed, while Florence flasks have a round bottom and a long neck</p> Signup and view all the answers

    What is the primary purpose of a test tube brush?

    <p>To clean and narrow mouth glassware such as cylinders, burettes, and flasks</p> Signup and view all the answers

    What is the proper way to handle a test tube containing a substance?

    <p>Never point the open end of the test tube at yourself or others</p> Signup and view all the answers

    Which of the following laboratory glassware is used to accurately measure the volume of liquids?

    <p>Graduated cylinder</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser