The Periodic Table
6 important questions on The Periodic Table
What are the elements in group one called?
What are the 6 properties of Alkali metals?
low density
very soft
shiny but quickly react with oxygen to go dull
Very reactive
Melting and boiling points decrease as you go down.
What happens when Alkali metals react with water?
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What are the 4 properties of halogens?
They boiling points increase as you go down
The reactivity decreases as you go down.
They are poor conductors of heat and electricity
What do they form in reactions to make ionic compounds?
Displacement reactions between halogens
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