Establish the trend for atomic radius and rank the following elements to increasing atomic radius
Atomic radius represents the distance from the nucleus to the outer shell of an element.
Trend of atomic radius in the periodic table:
• decreases going from left to right of a period
• increases going down a group
Place the following atoms in order of increasing atomic radii (smallest to largest): S, Cl, Se, and As.
a. Cl < S < Se < As
b. S < Cl < As < Se
c. S < Cl < Se < As
d. As < Se < S < Cl
e. Se < As < S < Cl
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