What is the trend in ionization energy as you move across a period from left to right?

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Q: What is the trend in ionization energy as you move across a period from left to right?

Solution: Ionization energy generally increases across a period due to increasing nuclear charge.

Steps: 6

Step 1: Understand what ionization energy is. It is the energy required to remove an electron from an atom.
Step 2: Know that a 'period' refers to a row in the periodic table of elements.
Step 3: Recognize that as you move from left to right across a period, you are adding more protons to the nucleus of the atom.
Step 4: Realize that more protons mean a stronger positive charge in the nucleus, which attracts electrons more strongly.
Step 5: Understand that because of this stronger attraction, it becomes harder to remove an electron.
Step 6: Conclude that as a result, the ionization energy increases as you move from left to right across a period.