- 11 neutrons and 12 protons
- 12 protons and 11 electrons
- 11 electrons and 12 neutrons
- 12 electrons and 11 neutrons
The atomic number of sodium is 11 and its mass number is It has_________
Facebook
WhatsApp
You May Like
Comment
Top Contributors
- 14961 Points
- 0 Points
All Categories
Quantitative Reasoning (Maths)
- No categories
Verbal Reasoning (English)
- No categories
Past Papers
Practice Papers
- No categories