b) Groups and Columns c) Atomic Radius - Group 1 and Atomic Radius - Group 7 d) Atomic Size - Group 1 and Atomic Size - Group 7 e) Metallic Characteristic down the group and Metallica characteristic across the period. f) Non Metallic Characteristic down the group and Non Metallic Characteristic across the period.

b) Groups and Columns c) Atomic Radius - Group 1 and Atomic Radius - G

1.	b) Groups and Columns c) Atomic Radius - Group 1 and Atomic Radius - Group 7 d) Atomic Size - Group 1 and Atomic Size - Group 7 e) Metallic Characteristic down the group and Metallica characteristic across the period. f) Non Metallic Characteristic down the group and Non Metallic Characteristic across the period.
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