How To Use The Periodic Table
| Science It can be confusing working out the periodic table the first few times you use it. The vertical columns are the groups, or families. Horizontal lines are called periods. Elements in a group are alike in properties. The top number is the atomic number, and beneath the symbol for the element you see the atomic mass.
More periodic table adviceAlong with the tips given by Stephen these tips will be helpful to use periodic table: One should have the knowledge of electronic configuration and quantum number.Each period belongs to a principal quantum number and all the elements of each group have same electronic configuration in their outermost shell.
 Questions about periodic table:When Mendeleyev devised the periodic table, how did he discern how many electron...- Wed, Jan 14th 2009
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