Multiple Choice
Elements with the highest electronegativity can be found in which period of the periodic table?
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10. Periodic Properties of the Elements
Periodic Trend: Electronegativity
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Which direction across the periodic table corresponds to increasing electronegativity?
A
From left to right across a period and from top to bottom within a group
B
From right to left across a period and from top to bottom within a group
C
From right to left across a period and from bottom to top within a group
D
From left to right across a period and from bottom to top within a group
Verified step by step guidance1
Understand that electronegativity is the tendency of an atom to attract electrons in a chemical bond.
Recall the general trend of electronegativity across the periodic table: it increases as you move from left to right across a period because atoms have more protons and a stronger pull on electrons.
Recognize that electronegativity decreases as you move down a group because atoms have more electron shells, increasing the distance between the nucleus and valence electrons, which reduces the nucleus's pull on bonding electrons.
Combine these trends to conclude that electronegativity increases from left to right across a period and from bottom to top within a group.
Therefore, the direction corresponding to increasing electronegativity is from left to right across a period and from bottom to top within a group.
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