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Periodic Table Trends. Periodic table properties. Group- vertical column of elements Similar b/c of valence electrons (outermost electron in the electron cloud) Period- horizontal row of elements Atomic Number – increase throughou t – ie . Protons increase. Trends.
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Periodic table properties • Group- vertical column of elements • Similar b/c of valence electrons (outermost electron in the electron cloud) • Period- horizontal row of elements • Atomic Number – increase throughout – ie. Protons increase
Trends • Electronegativity- measures an atom's strength to attract and form bonds with electrons • Atomic size