Are elements in the same column down members of the same period or group?
Elements in the same vertical column are members of the same GROUP.
Additionally, items in the same horizontal row belong to the same PERIOD.
Because members of the same Group have the same valence electronic configuration to a first approximation and, therefore, again to a first approximation, have the same chemistry, these designations are significant because the modern Periodic Table's obsession with rows and columns, Groups and Periods, is a reflection of electronic structure.
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Group members are represented by elements in the same column.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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