Multiple Choice
Which element on the periodic table has the highest electronegativity?
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10. Periodic Properties of the Elements
Periodic Trend: Electronegativity
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Which element has properties most similar to those of fluorine?
A
Nitrogen (N)
B
Neon (Ne)
C
Chlorine (Cl)
D
Oxygen (O)
Verified step by step guidance1
Understand that elements in the same group (vertical column) of the periodic table have similar chemical properties because they have the same number of valence electrons.
Identify the group number of fluorine (F). Fluorine is in Group 17, which is the halogens group.
Look for the element among the options that is also in Group 17. Chlorine (Cl) is in Group 17, while Nitrogen (N) is in Group 15, Oxygen (O) is in Group 16, and Neon (Ne) is in Group 18.
Since Chlorine (Cl) shares the same group as Fluorine, it has similar chemical properties, such as high electronegativity and reactivity with metals to form salts.
Conclude that Chlorine (Cl) is the element with properties most similar to those of Fluorine (F) because they belong to the same group and have similar valence electron configurations.
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