Chapter 2 Questions and Answers - CHAPTER 2 TAKE-HOME...

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C HAPTER 2 “T AKE -H OME M ESSAGE ” C HALLENGE Q UESTIONS 2.1 How does one determine the atomic number and the atomic mass of an element?
2.2 How many electrons can fit in the first electron shell of an atom? How about the second shell?
2.3 Describe and contrast covalent and ionic bonds.
2.4 What makes a molecule very sweet? Describe how the polar covalent bonds in water molecules lead to the formation of hydrogen bonds between water molecules.
A

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