Quiz: Solve The Basic Chemistry Questions!

16 Questions | Total Attempts: 451

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Quiz: Solve The Basic Chemistry Questions!

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Questions and Answers
  • 1. 
    The positively-charged particles in an atom are called __________________.
  • 2. 
    Protons and neutrons are found in the ______________________ of the atom.
  • 3. 
    How many electrons are found in an atom's first orbital (or electron shell)?
  • 4. 
    Carbon has 6 electrons.  How many valence electrons does it have?
  • 5. 
    Chlorine has 17 electrons.  How many valence electrons does it have?
  • 6. 
    There are ______________ naturally-occurring elements in the periodic table.
  • 7. 
    A molecule is formed when two or more atoms join together.  What do you call a molecule that contains at least two different elements?
  • 8. 
    What tells us the number of protons that an atom has?
  • 9. 
    Refer to a periodic table.  How many protons does Iron have?  (Hint:  The symbol for iron is Fe).
  • 10. 
    Refer to a periodic table.  What is the symbol for Neon?
  • 11. 
    What is an atom called that has a different number of protons than neutrons?
  • 12. 
    The _______________rule teaches that when an atom has eight electrons in its outer shell, it become more stable.
  • 13. 
    Carbon and oxygen share electrons to form a molecule called carbon dioxide.  This is an example of _________________ bonding.
  • 14. 
    An atom that has lost an electron is called a cation, and an atom that has gained an electron is called an ______________.
  • 15. 
    An anion has a _____________________ charge because it has more electrons than it has protons.
  • 16. 
    Sodium gives up its valence electron to chlorine.  They are attracted to each other and form a molecule called NaCl (which we know as salt).  This is an example of ________________ bonding.