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Task 1 TRUE OR FALSE WITH A TWISTI
Direction Reed and analyre each statement very carefully. # # is correct, wille TRUE. Is
incorrect, underline the concept that made it wrong then write the corect answer on the blank
(2 points each)
1. John Dobereiner developed the low of Triods.
2William Ramsay is an American chemist who indetified lanthanides and actinides.
3.Henry mosely proposed the low of octaves.
4.lothar meyer came up with the same conclusion as Dmitri Mendeleev.
5.John Newlanda demonstrated that properties of elements are determined by their atomic numbers.​