alkali mentals Flashcards

(7 cards)

1
Q

As you go down group 1 do they get more or less reactive

A

They get more reactive

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2
Q

What group period is the alkali metals

A

They are in group 1

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3
Q

What are the properties of group 1 metals

A
  1. shiny surface which dulls on oxidation
  2. silvery coloured metals
  3. low densities
  4. soft
    6.can be cut easily
  5. highly reactive
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4
Q

What is the equation when a group 1 element lithium for example reacts with water.

A

Lithium + Water → Lithium hydroxide + Hydrogen

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5
Q

What happens when lithium react with water

A

Floats, fizzes, releases hydrogen gas

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6
Q

What happens when sodium react with water

A

Reaction: faster than lithium, Melts into a ball, moves on water surface, fizzes, gives off hydrogen

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7
Q

What happens when potassium react with water

A

Reaction: very fast and violent, Lilac flame, explodes or pops

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