How are solid salts (ionic lattices) structured?
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Salts consist of charged atoms (= ions). Anions (negatively charged ions) and cations (positively charged ions) are present in the ion lattice. Electrostatic attraction forces are present between the oppositely charged ions. As a result, anions and cations are adjacent in each case. The arrangement of these anions and cations ultimately forms the ion lattice. The graph shows, for example, the ion lattice of sodium chloride.
(Source: https://de.wikipedia.org/wiki/ion grids
The ratio of the ions in an ion lattice corresponds to the charge ratio of the ions. Na+ and Cl- are present in a ratio of 1:1, while Ca2+ and Cl- are present in a ratio of 1:2.
Depending on the ion radii, a different shape of the ion lattice is also obtained.
Johannes
the image of John is already great, but something misunderstood – between the ions is not really much space, better this is here: by Anthrowiki: