Frage | Antworten |
what are the group 1 metals called? | alkali metals |
when group 1 metals dissolve in water, what colour is the solution? | colourless |
low or high density? | low |
react with non metals to form... ? | ionic compunds |
react with water to produce .. ? | hydrogen |
when added to water form what? | hydroxides that dissolve in water to give alkaline solutions |
the further down the group you go.. the more/less reactive the element? | more |
the further down the group you go, the higher/lower the melting/ boiling points | lower the melting point |
what happens when lithium reacts with water? | -floats -fizzes -may start to move around on the surface of the water |
does sodium react more or less vigorously than lithium with water? | more |
what can happen when sodium reacts with water? | can catch fire to produce a purple flame |
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