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1. Where is the location (groups/periods) of metals?
2. Where is the location (groups/periods) of non metals?
3. Where is the location (groups/periods) of seml metals?
4. Where is the location (groups/periods) of halogens?
5. How can you identify the valence electrons? 6. How will you describe the valence electrons of metals, semi metals, and noble gases?​