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Periodic Trends-Definition Images

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Periodic Trends

1) Atomic Radius

2) Ionization Energy

3) Electronegativity

4) Reactivity

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Atomic Radius- Distance from the nucleus to the outer boundary of the electron cloud.

r

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Ionization Energy- energy required to remove an electron from an atom to form a cation.

e

+

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Electronegativity- The ability of an atom to attract electrons to itself from another atom while bonded in a compound.

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Reactivity- How readily (easily) an atom loses or gains an electron.

+

-

metal

non-metal