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Reading the Periodic Table :

Figure 2 shows that each box in periodic table contains the following data:

  1. Atomic weight (From 1.00794 to 262.12)
  2. Atomic number (From 1 to 107)
  3. Atomic symbol
  4. Name of the element
  5. Oxidation states
  6. Electronic configuration

Note the difference between the atomic number and the atomic weight. Thus element 12 is Magnesium (atomic number is 12) and not Carbon (atomic weight is 12).

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2.1 Classification of Elements
2.2 Introduction to the Periodic Table

Chapter 3

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