A table in which the chemical elements are arranged in order of increasing atomic number. Elements with similar properties are arranged in the same column (called a group), and elements with the same number of electron shells are arranged in the same row (called a period). The American Herit...
Click here:point_up_2:to get an answer to your question :writing_hand:how does the elements having similar properties are placed in the same group or period
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Gordin continued, "There are two basic ways that Mendeleev could have moved from a recognition of the importance of atomic weight as a good classifying tool to a draft of a periodic system: either he wrote out the elements in order of atomic weight in rows and noticed periodic repetition or...
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Each row of the Periodic Table of Elements, called a period, represents a new outer shell of electrons. The elements in each column, called a group, have the same amount of electrons in their outer shell, causing them to have similar properties. These predictable properties are so important ...
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Explain why as you go across Period 3, the atomic radius decreases. Explain why elements that are in the same group of the Periodic Table tend to show similar chemical behavior. Consider the elements: He, Ne, and Ar. Can you come up with a reason why they are in the same grou...
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