2.01 Elements and The Periodic Table

Try It

Reading the Periodic Table

For the following Try It, you may need to use The Periodic Table of Elements.

In this Try It activity, you'll practice reading different periodic tables by identifying the atomic number, symbol, element name, and atomic mass of elements in different formats from several periodic tables.

For each element, correctly label each part of the element on the periodic table.

1. Label the following parts of the oxygen element:
   • Atomic Number
   • Element Name
   • Atomic Symbol
   • Atomic Mass

   

   
   Answer:
   • Atomic Number: 8
   • Element Name: Oxygen
   • Atomic Symbol: O
   • Atomic Mass: 15.999

   




2. Label the following parts of the magnesium element:
   • Atomic Number
   • Element Name
   • Atomic Symbol
   • Atomic Mass

   

   
   Answer:
   • Atomic Number: 12
   • Element Name: Magnesium
   • Atomic Symbol: Mg
   • Atomic Mass: 24.3050

   




3. Label the following parts of the technetium element:
   • Atomic Number
   • Element Name
   • Atomic Symbol
   • Atomic Mass

   

   
   Answer:
   • Atomic Number: 43
   • Element Name: Technetium
   • Atomic Symbol: Tc
   • Atomic Mass: 97.907