Multiple Choice
Why does electronegativity generally increase as you move from left to right across a period in the periodic table?
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10. Periodic Properties of the Elements
Periodic Trend: Electronegativity
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Which of the following elements has a higher electronegativity than arsenic (As)?
A
Phosphorus (P)
B
Tin (Sn)
C
Germanium (Ge)
D
Antimony (Sb)
Verified step by step guidance1
Understand that electronegativity is a measure of an atom's ability to attract and hold onto electrons in a chemical bond.
Recall the position of arsenic (As) on the periodic table: it is in period 4 and group 15 (pnictogens).
Compare the elements given (Phosphorus (P), Tin (Sn), Germanium (Ge), Antimony (Sb)) based on their positions relative to arsenic on the periodic table.
Remember the general trend that electronegativity increases across a period (left to right) and decreases down a group (top to bottom).
Since Phosphorus (P) is above arsenic in the same group, it will have a higher electronegativity than arsenic, while the others are either in lower periods or different groups with lower electronegativity.
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