Metal reactivity
Put the metals in order from most to least reactive
Metal reactivity
Put the metals in order from most to least reactive
Zinc
potassium
Magnesium
This is a from to ensure that you do not miss any specification points 1.13-1.20
This is a from to ensure that you do not miss any specification points 1.13-1.20
Metal reactivity
Put the metals in order from most to least reactive
Zinc
potassium
Magnesium
Group 1 Metal + water reactions
Place the metals from most reactive to least reactive
K(s) I.gnites instantly, lilac flame, melts, moves quickly, violent
Cs(s) Extremely violent, explosion, bright flash, blue flame, instant ignition.
Li(s) Floats, fizzes gently, melts, slow H₂ release.
Rb(s) Explosive, red-violet flame, fast, exothermic, may splatter.
Na(s) Floats, melts, fizzes rapidly, yellow flame, H₂ ignites.
Group 1 Metal + water reactions
Lithium (Li)
Sodium
Potassium .
Rubidium
Caesium
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
(Rb) 2Rb(s) + 2H₂O(l) → 2RbOH(aq) + H₂(g) | arrow_right_alt | Floats, fizzes gently, melts, slow H₂ release. |
(Cs) 2Cs(s) + 2H₂O(l) → 2CsOH(aq) + H₂(g) | arrow_right_alt | Floats, melts, fizzes rapidly, yellow flame, H₂ ignites. |
(Na) 2Na(s) + 2H₂O(l) → 2NaOH(aq) + H₂(g) | arrow_right_alt | Ignites instantly, lilac flame, melts, moves quickly, violent |
(K) 2K(s) + 2H₂O(l) → 2KOH(aq) + H₂(g) | arrow_right_alt | Explosive, red-violet flame, fast, exothermic, may splatter. |
Li(s) + H₂O(l) → LiOH(aq) + H₂(g) | arrow_right_alt | Extremely violent, explosion, bright flash, blue flame, instant ignition. |
The periodic table
The periodic table
The metals all , float and produce , the reactivity down the group.
Match the statement to the alkali metal. Some statements apply to more than one metal. Focus simulation alkali metals.
K | Li | Na | |
|---|---|---|---|
Hardest to cut | |||
floated on water | |||
did not melt | |||
Melted (formed a ball) | |||
Easiest to cut | |||
Formed a lilac flame | |||
Reacted fastest | |||
Reacted slowest |
