Structure: Definite and Indefinite Articles
Module Sequence Completed!
You have processed all queries for this module. Excellent performance!
Explore other knowledge matrices or review your progress.
Social Sharing!
Share your knowledge:
Suggest Favorite subject or vote for a trending one!
Having trouble? Here are some quick links:
Time on task: 0 mins
Exam Papers & Notes
Access past exam papers, revision notes, and study materials from top schools.
Browse NotesYou have processed all queries for this module. Excellent performance!
Explore other knowledge matrices or review your progress.
The nuclide symbol ²⁸X shows that the mass number is 28. Since it is the first element, its atomic number is 14. The number of neutrons = mass number - atomic number = 28 - 14 = 14.
Break down complex topics into smaller, manageable chunks for easier recall.
Zambia
Climb the Leaderboard
Answer more questions, earn points, and compete with students across the country.
View Rankings