Periodic Trends

AP Chemistry· difficulty 2/5

Which trend INCREASES from left to right across a period?

A
$Electronegativity$
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B
$Ionic radius (cations)$
C
$Atomic radius$
D
$Metallic character$

Explanation

Across a period: ionization energy ↑, electronegativity ↑, Z_eff ↑, atomic radius ↓, metallic character ↓.

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