Chemistry · Structure of the Atom
An atom has 11 protons, 11 electrons, and 12 neutrons. What is the mass number of that atom?
- 124
- 211
- 312
- 423✓
Correct answer
23
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Chemistry?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Structure of the Atom?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Chemistry · Structure of the Atom