ap-board-class-10 · physical-science
Practice — Classification of Elements — The Periodic Table
Answer 1 questions, get instant scoring with explanations. Auto-saves your attempt.
1 questions1 total marks5m estimated

Question 1 of 1
⏱ 05:00
An element X has electronic configuration 2, 8, 7. (a) Identify its period and group. (b) Is it a metal or non-metal? (c) Would it have a high or low electron affinity?
0 of 1 answered
Take the next step
Sign in to save attempts to your dashboard and track your accuracy over time
Pair self-study with a tutor, a live course or a coaching centre.