53029
Descripción
Mapa Mental por kdavies691, actualizado hace más de 1 año
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Creado por kdavies691
hace más de 11 años
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Group 7 and Group 2 elements and ions.
- Group 7- The halogens
- The elements
- Fluorine
- Highest electronegativity.
- Most reactive
- Highest electronegativity.
- Chlorine
- Reacts with sodium hydroxide to make bleach
- Reacts with water to make HCl and HClO
- Takes part in disproportionation
- Reacts with sodium hydroxide to make bleach
- Bromine
- Iodine
- Fluorine
- Halide ion
- With Sulfuric Acid
- NaCl + NaF
- HF or HCl is made.
- Not a redox reaction.
- HF or HCl is made.
- NaBr
- Makes bromine, Sulphur dioxide and 2 waters.
- A redox reaction
- Makes bromine, Sulphur dioxide and 2 waters.
- NaI
- Goes to Iodine, Hydrogen sulfide, Water
- most powerfull reducing
agent.
- Goes to Iodine, Hydrogen sulfide, Water
- NaCl + NaF
- With sliver nitrate.
- NaF = No ppt.
- NaCl= white ppt.
- NaBr= Cream ppt.
- NaI = yellow ppt.
- NaF = No ppt.
- -1
- With Sulfuric Acid
- Boiling points increase.
- The elements
- Group 2- The ALKALINE EARTH METALS.
- Trends
- Atomic radius
- Increases down the group
- Increases down the group
- Ionisation energy
- Decreases down the group.
- Decreases down the group.
- Atomic radius
- Trends
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