Electron configuration for

cations

Subtract 1 from exponent of highest n-value orbital

(ex. remove from 4s before 3d)

Ag+ = [Kr]5s^1 4d^9

Electron configuration for

anions

Add 1 to closest orbital

Cl- = [Ne]3s^2 3p^6

Atomic orbitals s, p, d, f

Primary vs secondary

structures of proteins

Primary - AA chain (linked by peptide bonds)

Secondary - stabilized by non-covalent bonds (alpha

helices & beta sheets)

Most bonds in organic

compounds are

covalent

Properties of water

1. polar...
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