Chemistry 3 Periodic Table 4.5 / 5 based on 2 ratings ? ChineseGCSEAQA Created by: EmmaCreated on: 27-03-13 22:38 Who was John Dalton? Arranged elements in order of their masses 1 of 9 Who made the law of octaves? John Newlands 2 of 9 What is a disadvantage of the law of octaves? He assumed all elements had been discovered 3 of 9 Up to what element did the law of octaves work? Calcium 4 of 9 What did Dmitri Mendeleev do in 1869 Arranged the 50 known elements in order of atomic weights 5 of 9 How did Mendeleev's table come to be accepted? His predictions of properties were correct 6 of 9 What was the problem with Mendeleev's table? Not all elements fitted the pattern 7 of 9 How do we now arrange elements? In order of their atomic number 8 of 9 What happens to shells as you go down the group? The number of shells occupied by electrons increases 9 of 9
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