Question

What are the important features of elements in a group?​

Answer 1

Answer:

CHARACTERISTICS OF GROUPS:

All the elements of a group of the periodic table have the same number of valence electrons. For example, group I elements: Li, Na, K etc., all have a valency of . Elements of group 17: Cl, Br, I etc., all have valency of .

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Answer 2

Answer:

The elements in a group have similar physical or chemical characteristics of the outermost electron shells of their atoms (i.e., the same core charge), because most chemical properties are dominated by the orbital location of the outermost electron.