96374
| Pregunta | Respuesta |
| 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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