Ionization energy in a period generally ___________________?
Correct answer: A. Increases
- A. Increases
- B. Decreases
- C. No change
- D. Variable trend
Explanation
Ionization energy generally increases across a period as effective nuclear charge increases and atomic radius decreases, making electron removal more difficult. Small exceptions occur, such as between groups 2 and 13 or groups 15 and 16, but they do not change the overall trend. The likely mistake is choosing d because of these exceptions, while the question asks for the general behavior.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
Practise s-Block and p-Block Elements
1,359 free s-Block and p-Block Elements MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemistry questions like this
Chemistry is on 14 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Periodic Properties and Trends questions
Elements having high I.P values are____________________?
In a period electronegativity from left to right_________________?
Bond will beionic when E.N difference of bonded atom is ____________________?
In a group ionic radius ?
An atom loses or gains electrons to__________________?
Which of the following will have highest value of electron affinity_________________?