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CLASS 11-- CHEMISTRY Chapter 1: BASIC CONCEPT(objectives)

This is a discussion on CLASS 11-- CHEMISTRY Chapter 1: BASIC CONCEPT(objectives) within the 11th forums, part of the Classes category; CLASS 11-- CHEMISTRY Chapter 1: BASIC CONCEPT FILL IN THE BLANKS 1. Chemistry can be defined as the study of ...

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    CLASS 11-- CHEMISTRY Chapter 1: BASIC CONCEPT(objectives)


    CLASS 11-- CHEMISTRY

    Chapter 1: BASIC CONCEPT
    FILL IN THE BLANKS

    1. Chemistry can be defined as the study of matter that makes the universe and the changes it undergoes.
    2. Chemistry is largely an experimental science.
    3. Anything that occupies space and has mass is called matter.
    4. Mixture is a combination of different substances.
    5. Smallest possible unit of nature is called atom.
    6. Molecules made up of atom are held together by Special Forces.
    7. A substance that cannot be separated intosimpler substances by chemical means is called element.
    8. The number of protons and neutron in the nucleus is called atomic number.
    9. The total number of protons and neutrons in the nucleus is called mass number.
    10. The composition of compound expressed in symbols is called chemical formula.


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    Re: CLASS 11-- CHEMISTRY Chapter 1: BASIC CONCEPT(objectives)

    where is others chapters

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    Re: CLASS 11-- CHEMISTRY Chapter 1: BASIC CONCEPT(objectives)

    i can't understand

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