Chapter 2 Practice Quiz SV - Chapter 2 Practice Quiz...

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Chapter 2 Practice Quiz  Charles Creech, SI Leader for Biol 120-01, 120-02 1) Which of the following statements is true? A) All atoms are made up of molecules  B) All elements contain compounds  C) All elements are atoms  D) None of the above  2) Match the following elements with their chemical symbols.  __P 1) Chlorine __H 2) Oxygen __C 3) Hydrogen __Na 4) Phosphorus __Cl 5) Carbon  __O 6) Nitrogen __N 7) Sodium 3) Elements that in large quantities would be toxic, yet in small quantities are required for life are  called _____ elements. A) Pure  B) Trace C)  Mini D)  Missing 4) For the following, label the atomic number, mass number, and indicate how many electrons,  protons, and neutrons the element contains.   17 8 O ___Mass number  ___Atomic number    ___Electrons   ___Protons ___Neutrons 5) Is this oxygen atom an considered an isotope, why or why not?
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A) Yes B) No 
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6) If an atom contains a differing number of electrons and neutrons, it is called an isotope. 
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Chapter 2 Practice Quiz SV - Chapter 2 Practice Quiz...

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