Trick to determine the Period of the periodic table elements You can determine an element’s period number if you are provided its atomic number. For Example: A substance with the atomic number 6 The atomic number 6 substance is a carbon (C) and its electron configuration is 1s22s22p2. Check out !! Chemistry Class 9 Chapter …
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What is Periodic Table in Simple Words? ANSWER Periodic Table A periodic table is a table in which the elements are arranged according to their rising atomic number and recurrent chemical characteristics. They are arranged in a tabular format with rows denoting periods and columns denoting groups. Periods In the periodic table, the horizontal rows …
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Group 1 Elements: You Know !! Group 1 elements are known as Alkali metals . These alkali metals belongs to s-block . All the group 1 elements having one valence electron. Group 1 elements are Hydrogen , Lithium, Sodium, Potassium , Rubidium, Cesium and Francium. Alkali metals are s-block elements of the modern periodic table …
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