The periodic table 0.0 / 5 ? ChemistryThe Periodic TableGCSEAQA Created by: Chloe-ManningCreated on: 07-03-17 19:56 What was Newlands table like? In order of atomic mass but no gaps for unknown elements. 1 of 8 What was Mendeleev's table like? In order due to properties but with gaps for unknown elements. 2 of 8 What are the elements in group 1 called? Alkali metals 3 of 8 Metal + water -> Hydrogen + metal hydroxide 4 of 8 What are alkali metal ions like? 1+, white, disolve in water and go colourless 5 of 8 Does the reactivity of alkali metals increase or decrease down the group? increase 6 of 8 What are the properties of transition metals? high melting points, not very reactive, coloured compounds, high density 7 of 8 What are the properties of halogens? Reactivity decreases down the group, low melting points 8 of 8
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