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    Pure and Impure Substances CSEC STUDENT

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    Nikolas Palmer
    1. The document discusses pure and impure substances, including distinguishing between pure substances and mixtures, solutions, suspensions and colloids. 2. It addresses atomic structure and particles like atoms, elements, molecules, ions, protons, electrons and neutrons. 3. The key difference between pure and impure substances is described - a pure substance is made of one type of particle while an impure substance contains two or more different particle types.

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    Pure and Impure Substances CSEC STUDENT

    Uploaded by

    Nikolas Palmer
    16 views16 pages
    1. The document discusses pure and impure substances, including distinguishing between pure substances and mixtures, solutions, suspensions and colloids. 2. It addresses atomic structure and particles like atoms, elements, molecules, ions, protons, electrons and neutrons. 3. The key difference between pure and impure substances is described - a pure substance is made of one type of particle while an impure substance contains two or more different particle types.

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    1. The document discusses pure and impure substances, including distinguishing between pure substances and mixtures, solutions, suspensions and colloids. 2. It addresses atomic structure and particles like atoms, elements, molecules, ions, protons, electrons and neutrons. 3. The key difference between pure and impure substances is described - a pure substance is made of one type of particle while an impure substance contains two or more different particle types.

    Copyright:

    © All Rights Reserved
    Download as PPTX, PDF, TXT or read online from Scribd
    Download as pptx, pdf, or txt
    16 views16 pages

    Pure and Impure Substances CSEC STUDENT

    Uploaded by

    Nikolas Palmer
    1. The document discusses pure and impure substances, including distinguishing between pure substances and mixtures, solutions, suspensions and colloids. 2. It addresses atomic structure and particles like atoms, elements, molecules, ions, protons, electrons and neutrons. 3. The key difference between pure and impure substances is described - a pure substance is made of one type of particle while an impure substance contains two or more different particle types.

    Copyright:

    © All Rights Reserved
    Download as PPTX, PDF, TXT or read online from Scribd
    Download as pptx, pdf, or txt
    of 16

    CSEC Chemistry – Section A

    Sunday 24 March 2024

    Pure and Impure


    Substance
    CSEC Chemistry – Section A

    Sunday 24 March 2024 Topic: Pure and Impure Substances (5mins)

    PRAYER and REGISTER


    Engage Task 1

    Read More Topic Objectives [55mins]


    Learn More
    Apply More
    1. Review diagnostic test
    Key Words
    Pure
    Impure 2. Distinguish between pure substances and mixtures.
    Substance
    Mixture 3. Distinguish among solutions, suspensions and colloids.
    Insoluble
    Element
    Compound 4. Identify different types of solutions .
    Solute
    Solvent
    Solution
    CSEC Chemistry – Section A

    Sunday 24 March 2024 Topic: Pure and Impure Substances (5mins)

    Engage Task 1

    Read More
    Learn More
    Apply More
    Key Words
    Pure
    Impure
    Substance
    Mixture
    Insoluble
    Element
    Compound 1. What do you think pure means?
    Solute 2. Are both the gold and orange juice pure substances?
    Solvent
    Solution 3. Explain your answer
    CSEC Chemistry – Section A

    Sunday 24 March 2024 Topic: Pure and Impure Substances ( O mins)

    Engage Task 1
    ANSWER Let’s Discussion
    Read More
    Learn More
    Apply More
    Key Words
    Pure
    Impure
    Substance
    Mixture
    Insoluble
    Element
    Compound
    Solute
    Solvent
    Solution
    CSEC Chemistry – Section A
    Topic: Pure and Impure Substances
    Sunday 24 March 2024 (5mins)
    Atomic Structure (Particles)
    • An atom is______
    Explore • Sub-Atomic Particles are particles
    (Intro) found in ______
    Read More
    Learn More • An element is a substance made up 1 or
    Remember more ____s of the ____type.
    More

    Key Words • Ions are c______ particles. They can


    Atom negatively ______ (a_____) or
    Element positively charged (c_____) .
    Molecule • Compound is a substance made of 2 or
    Ion
    Compound more different types of _____
    Sub-atomic particle
    Proton • Molecule – Next Slide
    Electron
    Neutron
    Mass Number
    CSEC Chemistry – Section A

    Sunday 24 March 2024 Topic: Pure and Impure Substances (6mins)

    Atomic Structure
    Explore Let’s discuss the following questions
    Task
    (Your Turn)
    Read More
    Learn More
    Remember A&B
    More
    Key Words
    Atom
    Element
    Molecule C
    Ion
    Compound
    Sub-atomic particle
    Proton
    Electron - +
    Neutron D E
    Mass Number
    CSEC Chemistry – Section A

    Sunday 24 March 2024 Topic: Pure and Impure Substances (8mins)

    Pure vs. Impure –


    Explore
    •A pure substance is any substance made up of one type of
    Read More particle
    Learn More
    • An impure substance is substance is any substance made up
    Apply More
    of two or more different type of particle.
    Key Words •An example of a pure substance is a Glass containing
    Pure
    water particles ONLY
    Impure
    Substance •An example of an impure substance is a Glass containing
    Mixture
    Insoluble
    water and sugar.
    Element Challenge!! Would you describe freshly squeezed orange
    Compound
    Solute
    juice as a pure or impure substance? Say why?
    Solvent Which word above is a synonym for the word mixture?
    Solution
    CSEC Chemistry – Section A

    Sunday 24 March 2024 Topic: Pure and Impure Substances (8mins)


    Suspensions vs. Colloids
    Explore •A suspension is a heterogeneous mixture of a finely distributed solid
    Read More in a liquid.
    Learn More •Examples of suspensions are muddy water and sandy water
    Apply More • A colloid is a mixture of molecules bigger than a solution but
    smaller than a suspension.
    Key Words
    Pure •In a colloid there are microscopically dispersed insoluble particles
    Impure suspended throughout another substance.
    Substance
    Mixture •Examples of colloids are mayonnaise, milk, butter, gelatin, and jelly.
    Insoluble Challenge!! – Name some colloids found at home or in the
    Element supermarket
    Compound
    Solute
    Solvent
    Solution
    ls are mixtures.
    Pair Challenge- Explain
    Explain Topic: Pure and Impure Substances what is meant by homo and
    Flow Chart heterogeneous mixture
    (5 mins)
    Tasks
    Mixtures Task: Describe the STARTER
    1. Purity

    Key terms difference between 2. Mixtures


    3. Melting
     Mixture
     Substan
    homogeneous & Point
    4. PAG C2.1
    ce heterogeneous substances. PLENARY
     Pure
     Impure
     Purity
     Melting
    point Ext:
    Which
    category
    does
    paint
    belong
    to?
    ls are mixtures.
    Individual Challenge-
    Explain Topic: Pure and Impure Substances Write examples of the last
    Flow Chart four substances
    (I mins)
    Video Revision/Summary (3mins) https://www.youtube.com/watch?v=IOD6PmT6V1g
    Tasks
    Mixtures Task: Describe the STARTER
    1. Purity

    Key terms difference between 2. Mixtures


    3. Melting
     Mixture
     Substan
    homogeneous & Point
    4. PAG C2.1
    ce heterogeneous substances. PLENARY
     Pure
     Impure
     Purity
     Melting
    point Ext:
    Which
    category
    does
    paint
    belong
    to?
    Extend 1 Identifying Pure Substances (3mins)
    by Graph
    • A pure substance has a fixed melting point and fixed boiling
    point. The graphs show two graphs. One impure substance and
    a pure substance.

    • Challenge - Have a look and see if you can identify and explain
    which graph represents which. (5mins)
    Extend 2
    Solutions and Solubility (3mins)
    MEMORIZE
    • Solvent - this is a substance that allows other substances
    (solutes) to dissolve in it

    • Solute - this is a substance that can be dissolved in another


    substance
    • Solution - this is a mixture of a solute and a solvent

    • Solubility - this a description of the amount of a substance


    that can be dissolved in a
    solvent at a given temperature
    • NB – Make Study Cards at home
    CSEC Chemistry – Section A

    Topic: Pure and Impure Substances


    Sunday 24 March 2024 (8mins)

    Evaluation Task–
    Evaluation 1
    Read More 1.Pure and Impure Letter, Song or Poem
    Learn More
    Apply More
    Write a short letter, Song or Poem to your favourite
    Key Words family member explaining the difference between
    Pure the following.
    Impure
    Substance - Pure & Impure, Soluble vs Insoluble, Solvent vs
    Mixture Solute, Suspension vs. Colloid
    Insoluble
    Element
    Compound Include in your letter, song or poem 1 advantage and
    Solute
    Solvent 2 disadvantage of each
    Solution
    CSEC Chemistry – Section A

    Topic: Pure and Impure Substances


    Sunday 24 March 2024 (8mins)

    Evaluation Task–
    Evaluation 2
    Read More 2. Create 2 lists of mixtures and non – mixtures from
    Learn More the words below. (5mins)
    Apply More

    Key Words
    Pure
    Impure
    Substance
    Mixture
    Insoluble
    Element
    Compound
    Solute
    Solvent
    Solution
    CSEC Chemistry – Section A

    Topic: Pure and Impure Substances


    Sunday 24 March 2024 (8mins)

    Evaluation Task–
    Evaluation 3
    Read More 3. Write your score in your book (Make 2 attempts
    Learn More if time allows)
    Apply More
    Complete Elements, Compounds & Mixtures Quiz
    Key Words on https://www.footprints-science.co.uk
    Pure
    Impure
    Substance 1. Chemistry Quiz > 2 Elements, Compounds &
    Mixture
    Insoluble
    Mixtures Quiz
    Element 3 Then do the first Elements, Compounds &
    Compound
    Solute
    Mixtures Quiz
    Solvent
    Solution 4. Pop Quiz !!
    CSEC Chemistry – Section A

    Sunday 24 March 2024 Topic: Pure and Impure Substances (10mins)

    Engage Task 2 Complete the following


    1. Elements are found in the periodic table – Name any 3
    Read More 2. Soluble means that a substance can be dissolved (usually in
    Learn More
    water), however insoluble means that a substance can not be
    Apply More
    dissolved.
    Key Words
    Pure
    Impure A. Write the following and then state whether or not they
    Substance
    Mixture are SOLUBLE or INSOLUBLE
    Insoluble Glass, Gravy Powder, Sugar, Salt, Penny, Toothpaste
    Element
    Compound B. Which of the thing above does not completely
    Solute dissolve? Suggest why?
    Solvent
    Solution

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