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What does "group" mean in the Periodic System? ​
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What does "group" mean in the Periodic System? ​

User Michael Barnwell
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Answer:

A group is the arrangement of elements vertically, in the periodic table. It can be determined by the number of valence electrons present in the atom.

User Shyne
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Answer:

A column in the periodic table of the chemical elements.

User Antonio Bardazzi
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