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STC. Identify the name of the element that fits the en description. Use the periodic table.
1. the lightest Alkali metal
2. the noble gas in period 2
3. element in period 5 group 4
4. element that follows silver
5. the halogen with greatest atomic mass 6. the element with atomic no. of 63 7. the only liquid metal at room temperature in period 6.

Need napo now tnx​