M2 Physics Sub-Module No 1(Quiz No:2)

Quiz

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1. --------- is the smallest unit of matter that establishes the unique characteristics of a substance
   1.   Elements
   2.   Molecule
   3.   Atom
2. When electrons move freely from atom to atom or compound to compound, the substance is known as a -----------------
   1.   Conductor
   2.   Non conductor
   3.   Insulator
3. Materials made up of two or more elements that have chemically bonded are known as ---------------
   1.   Elements
   2.   Compounds
   3.   Mixtures
4. ---------- are atoms and molecules that are physically mixed together but are not chemically bonded
   1.   Elements
   2.   Compounds
   3.   Mixtures
5. The movement of --------------- is known as electric current or current flow
   1.   Electrons
   2.   Protons
   3.   Neutron
6. An --------------------------- has a negative electrical charge
   1.   Electron
   2.   Protons
   3.   Neutron
7. The---------------- has a positive electrical charge
   1.   Electron
   2.   Protons
   3.   Neutron
8. A ----------------- has no electrical charge
   1.   Electron
   2.   Protons
   3.   Neutron
9. Orbiting around the nucleus is a third kind of subatomic particle called------------
   1.   Electron
   2.   Protons
   3.   Neutron
10. Most --------used in aviation are compound of two or more elements that share electrons to fill their valence shells
    1.   Insulators
    2.   Conductor
    3.   Non conductor