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    • 1. 
    Who invented the microscope?
    A.
    ALEXANDER FLEMING
    B.
    THOMAS ALVA EDISON
    C.
    ZACARIAS JANSSEN
    2. 
    WHAT IS THIS CALLED IN ENGLISH?
    3. 
    WHAT IS THIS CALLED IN ENGLISH?
    4. 
    WHAT ELEMENT IS ALMOST AS LIGHT AS HYDROGEN?
    A.
    KRYPAN
    B.
    OXYGIN
    C.
    HELIUM
    D.
    ALUMNIIUM
    5. 
    HOW MANY ELECTRONS DOES A SODIUM ATOM HAVE?
    A.
    11
    B.
    13
    C.
    15
    D.
    9
    6. 
    WHAT IS THIS CALLED IN ENGLISH?
    7. 
    WHAT ARE THESE CALLED IN ENGLISH?
    8. 
    WHAT DOES "NA" STAND FOR?
    9. 
    WHAT DOES "AU" MEAN?
    10. 
    WHICH OF THESE IS HEAVIER THAN THE IRON?
    A.
    GOLD
    B.
    CARBON
    C.
    MANGANESE
    D.
    POTASSIUM