Final Test 1 - Chemistry Level X
16 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What does a chemical symbol represent?

  • The number of protons in an atom
  • The charge of a chemical ion
  • The identity of a chemical element (correct)
  • The atomic mass of an element

    • Which type of equipment would you typically find in a chemistry laboratory?

  • Calculator
  • Pipette (correct)
  • Test tube (correct)
  • Microscope

    • Which principle is evaluated when assessing plastics made from cassava flour?

  • Quantum mechanics
  • Green chemistry principles (correct)
  • Thermodynamics
  • Acid-base reactions

    • Who is credited with the discovery of the nuclear model of the atom?

    <p>Ernest Rutherford (C)</p> Signup and view all the answers

    What is the charge of an electron?

    <p>Negative (A)</p> Signup and view all the answers

    How do you determine the number of neutrons in an atom?

    <p>Mass number minus number of protons (D)</p> Signup and view all the answers

    What does the atomic mass of an element represent?

    <p>The combined number of protons and neurons (B)</p> Signup and view all the answers

    Which particle is discovered to have a significantly smaller mass than protons or neutrons?

    <p>Electron (C)</p> Signup and view all the answers

    What is the fundamental role of protons, electrons, and neutrons in a neutral element or ion?

    <p>They define the atomic number and mass number. (B)</p> Signup and view all the answers

    Which statement best describes the relationship between the number of electrons in positive ions?

    <p>Positive ions have fewer electrons than protons. (A)</p> Signup and view all the answers

    How can the electron configuration help determine the period and group of an element?

    <p>The last electron's orbital reveals the element's group. (A)</p> Signup and view all the answers

    What characterizes a stable element in terms of electron configuration?

    <p>It has a full valence shell of electrons. (D)</p> Signup and view all the answers

    How does the presence of positive ions affect the overall stability of a compound?

    <p>It increases the ionic nature of the compound. (C)</p> Signup and view all the answers

    In a neutral element, what is true about the relationship between protons and electrons?

    <p>Protons and electrons are equal in number. (D)</p> Signup and view all the answers

    Which of the following accurately describes the electron configuration of a typical alkali metal?

    <p>It has one electron in its outermost shell. (B)</p> Signup and view all the answers

    What is the significance of analyzing an element's electron configuration?

    <p>It allows predictions about an element's reactivity. (C)</p> Signup and view all the answers

    Flashcards

    Chemical Symbol Meaning

    A shorthand representation of an element using one or two letters.

    Chemical Equipment Names

    Knowing the names of laboratory tools like beakers, test tubes, and Bunsen burners.

    Green Chemistry Principles

    Using environmentally friendly methods to produce chemicals and products.

    Nuclear Model Discoverer

    The scientist credited with proposing the nuclear model of the atom.

    Signup and view all the flashcards

    Electron Discoverer

    The scientist responsible for discovering the electron.

    Signup and view all the flashcards

    Electron Charge

    The electrical charge of an electron.

    Signup and view all the flashcards

    Protons and Neutrons of an Element

    Finding the number of protons and neutrons within an atom.

    Signup and view all the flashcards

    Mass Number/Atomic Mass

    The total number of protons and neutrons in an atom's nucleus.

    Signup and view all the flashcards

    Atomic Structure

    Atoms are made up of protons, neutrons, and electrons.

    Signup and view all the flashcards

    Electron Configuration

    Arrangement of electrons in the different energy levels and orbitals of an atom.

    Signup and view all the flashcards

    Positive Ion

    An atom that has lost one or more electrons.

    Signup and view all the flashcards

    Negative Ion

    An atom that has gained one or more electrons.

    Signup and view all the flashcards

    Electron Number

    The total count of electrons in an atom or ion.

    Signup and view all the flashcards

    Protons and Neutrons

    Found in the atom's nucleus; protons are positive, neutrons are neutral.

    Signup and view all the flashcards

    Bohr Model

    Model depicting the atom with electrons orbiting a central nucleus.

    Signup and view all the flashcards

    Stable Element

    Elements with filled electron shells.

    Signup and view all the flashcards

    Study Notes

    Final Test 1 - Chemistry Level X

    • Total Items: 25
    • Duration: 90 minutes
    • Academic Year: 2024/2025
    • Teacher: Shofwa Annisaa, S.Pd.

    Assessment Objectives and Topics

    • 10.1 Chemical:

      • Determine the meaning of chemical symbols
      • Determine the meaning of hazard symbols
      • Identify chemical equipment in the laboratory

    • 10.2 Green Chemistry:

      • Evaluate plastic from cassava flour
      • Green chemistry principles for cassava flour

    • 10.3 Chemistry:

      • Predict nuclear model discoverers
      • Predict the electron discoverer and its charge
      • Determine the number of protons and neutrons, and the mass number/atomic mass for elements

    • 10.4 Atomic Structure:

      • Analyze the best reason supporting answers
      • Determine the number of electrons in positive and negative ions

    • 10.5 Quantum Mechanics Theory:

      • Determine the electron configuration of elements using the Aufbau principle and noble gas configurations
      • Quantum numbers and their usage.
      • Correct statements about quantum numbers
      • Determining atomic radius based on periodic properties
      • Identifying stable elements and their electron configurations

    • Periodic Table:

      • Correct statements about periodic table properties
      • Determine atomic radii

    • Assessment Levels:

      • Multiple Choice (C3) questions focusing on understanding and applying concepts
      • Higher Order Thinking Skills (HOTS) questions, including two-tier multiple choice and AKM Numeration questions, demanding more complex analysis and problem-solving skills.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Related Documents

    Final Test 1 Guidelines of Chemistry Level X PDF 2024/2025

    Description

    Prepare for your Chemistry Level X final assessment with this comprehensive quiz covering essential topics such as chemical symbols, green chemistry, atomic structure, and quantum mechanics. With 25 questions to challenge your knowledge, you'll have 90 minutes to demonstrate your understanding and analytical skills in various chemistry concepts.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser