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The sea of free, delocalised electrons move through the metal, therefore conducting electricity.

Add silver nitrate solution to the solution containing halide ions. Chloride ions will form a white precipitate (silver chloride). Bromide ions will form a cream precipitate (silver bromide). Iodide ions ...

C_nH_2n+2Alkanes have similar chemical properties, have the same general formula and display a gradual change in melting and boiling points

The full ionic equation describes the components as individual ions, as this is how they exist in aqueous solution. Ba²⁺ + 2 NO^3- + 2 Na⁺ + SO₄^2- → B...

1. no. of peaks = no. of H environments2) peak position showing the bond3) peak area - ratio of H's in each environment4) splitting pattern - n+1 rule 5) summary