Which of the following trends is observed in the periodic table as you move from left to right across a period?

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Q: Which of the following trends is observed in the periodic table as you move from left to right across a period?

Solution: As you move from left to right across a period, electronegativity generally increases due to the increasing nuclear charge.

Steps: 6

Step 1: Understand what a period is in the periodic table. A period is a horizontal row of elements.
Step 2: Know that as you move from left to right in a period, you are moving from metals to nonmetals.
Step 3: Learn about electronegativity, which is the ability of an atom to attract electrons in a bond.
Step 4: Recognize that each element has more protons as you move right, which increases the positive charge in the nucleus.
Step 5: Understand that a stronger positive charge in the nucleus pulls electrons closer, increasing electronegativity.
Step 6: Conclude that therefore, electronegativity generally increases as you move from left to right across a period.