Mendeleev's table 0.0 / 5 ? ChemistryThe Periodic TableGCSEEdexcel Created by: Jazzy15Created on: 31-03-19 14:41 Who was Dmitri Mendeleev ? A russian chemist and inventor. He formulated the Periodic Law, 1 of 8 What did Dmitri do in 1869 ? He arranged all the elements known at the time into a table 2 of 8 Mendeleev put the elements in order of the ? Relative atomic masses 3 of 8 Mendeleev checked the properties of ? The elements and their compounds 4 of 8 Why did Mendeleev swap the places of elements ? So that elements with similar properties lined up 5 of 8 Why did Mendeleev leave gaps in the table ? He left gaps to where he thought there were other elements and predicted their properties 6 of 8 What was pair reversals ? ... 7 of 8 Give a reason why other scientists at the time thought that Mendeleev's table was not correct It had gaps/there were pair reversals 8 of 8
Comments
No comments have yet been made