What is arrangement of grouping elements by thee `s is calld?
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The appearance and reactions of the elements in a triad were similar to each other. Hence the arrangement of elements in a group of three is known as triads.
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Answer: a group (also known as a family) is a column of elements in the periodic table of the chemical elements. ... Groups may also be identified using their topmost element, or have a specific name. For example, group 16 is also described as the "oxygen group" and as the "chalcogens".
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