SLE155- Midterm Exam Guide - Comprehensive Notes for the exam ( 32 pages long!)

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0ionic compounds dissociate into their constituent ions when dissolved in water. The number of atoms and charge on each side of the arrow are equal and the state is described in brackets. The concentration of an ion will equal the concentration of the salt multiplied by the number of ions of that kind in the formula of the salt. Spectator ions: a(cid:395)ueous io(cid:374)s that do(cid:374)(cid:859)t pa(cid:396)ti(cid:272)ipate i(cid:374) (cid:396)ea(cid:272)tio(cid:374)s. these a(cid:396)e not included in the net ionic equation. A molecular representation that shows the connections among atoms by using lines to represent covalent bonds. This does not always show the shape of the molecule. Lone pairs of electrons are often not shown. There are 2 types of shorthand: condensed structural formula: constituent atoms are arranged in bonded groups. Line structures: all bonds except c-h bonds are shown as lines. All atoms are labelled except carbon and h atoms attached to c.