Chemistry Trends

Electronegativity

– Chemical property describing atom’s tendency to attract and bind with electrons
– Left to right: increases
– Top to bottom: decreases
– Exceptions – lanthanides, actinides, and noble gases do not have electronegativity values

Ionization

– The energy required to remove an electron from a neutral atom in gaseous phase
– Left to right: increases
– Top to bottom: decreases

Electron Affinity

– Ability of atom to except electron
– Left to right: increases
– Top to bottom: decreases

Atomic Radius

– ½ the distance between nuclei of two atoms
– Left to right: decreases
– Top to bottom: increases

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