Group 1-alkali Metals

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1. as you move down the laments, they get more reactive, what is evidence to show this?

  • looking at the number of electrons
  • time it takes for each elemnt to react compelty with the water and disappear
  • looking at the atomic number
  • looking at its bonds
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2. why are group 1 known as alkali metals?

  • becasue they are soft and have low boiling points
  • becasue hydroxides form alkaline solutions
  • becasue alkaline metals producce alkaline gasses
  • becasue they are soft and have high melting points

3. when group 1 metals are put in water, hat do they form?

  • alkali metals
  • alkaline mix
  • hydroxides
  • alkaline soloutions

4. if the elemt takes longer to react it is...

  • netrual
  • groovey
  • less reactive
  • more reactive

5. what is the correct chemical equation for when sodium is put into water?

  • sodium + water -> sodium hydroxide + hydrogen
  • sodium + water -> sodium hydroxide + oxygen
  • sodium + water -> sodium hydroxide + hydration
  • sodium + water -> sodium water + hydrogen
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