10 Interesting Fact About The periodic table

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• The periodic table was first designed by Dmitri Mendeleev in 1869.
• There are 118 elements in the modern periodic table.
• The elements in the periodic table are grouped based on the number of protons in the nucleus.
• The periodic table also shows the chemical properties of these elements.
• The elements in group 1 are called alkalis, while group 2 is called alkaline soil.
• Group 17 is called halogen, while group 18 is called noble gas.
• The transition elements are in the middle of the periodic table.
• The more right and up to the periodic table, the properties of the elements are not metal.
• Elements that have similar chemical properties are placed in a column called class.
• The periodic table is used to study the properties of elements and help in developing technology and the chemical industry.