tamil-nadu-class-9 · Science
Practice — Atomic Structure
Answer 2 questions, get instant scoring with explanations. Auto-saves your attempt.
2 questions5 total marks5m estimated

Question 1 of 2
⏱ 05:00
An atom has atomic number 11 and mass number 23. Find the number of protons, electrons, and neutrons.
0 of 2 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.