@stellarchemistry: Can't seem to remember where is that staircase line that separates the metals and non-metals on the Periodic Table? Just remember this phrase: There is a boy sitting on the staircase! What other chemistry questions do you have? Let me know. Follow for more tips like this, start improving your chemistry today! #chemistrytutor #olevelchemistry #examtips #chemistrytuition #periodictableofelements

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Monday 20 February 2023 02:13:56 GMT