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

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

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

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

4. what are the metals in group 1 called?

  • meep
  • Alkali metals
  • noble gases
  • halogens

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

  • alkaline soloutions
  • alkali metals
  • hydroxides
  • alkaline mix
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