Question

Q. What is the trend of ionization energy?
answer choices
Decrease across a period, Increase down a
group.
Increase across a period, decrease down a
group
Increase across a period, decrease up a
group.
Decrease across a period, increase up a
group.​

Answer 1

Answer:

b) Increase across a period , decrease down a group

Explanation:

Ionization energy decreases as we go down a group. Ionization energy increases from left to right across the periodic table.

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