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Periodic Table pages 86,87,88,89,92,93,96,97,98,99 - Coggle Diagram
Periodic Table
pages 86,87,88,89,92,93,96,97,98,99
Dalton's atomic model
atoms
elements
compounds
Democritus
physical properties
Symbols
Chemical properties
Chemical change? Example?
Using atomic theory to explain what happens during chemical reactions: No change in number of atoms-they just rearrange in different ratios: Water: H:0= 2:1
Physical changes? Example?
Mendeleev's Periodic Table
Groups
Periods
alkali metals
Examples, properties
halogens
examples? Properties?
noble gases
Examples, properties
Elements with similar properties
Physical trends
melting points
freezing points
boiling points
Metals
properties
position in periodic table
non metals
Properties
position in periodic table
Chemical trends
Alkali metals reacting with oxygen: what forms?
Alkali metals reacting with water: what forms?
What happens to pH as we move from left to
right across the periodic table?