Chemistry
Answered
#Class9 #AtomicNumber #MassNumber
How is atomic number different from mass number?
Students often mix these up—what’s the difference?
Curious Corner
Sep 01, 2025
1
Answers
144
Views
Answers 1
Curious Corner
Answered Recently
Atomic number (Z) = number of protons. Mass number (A) = protons + neutrons. Example: Oxygen has Z=8, A=16.
Login to Answer
Join the community to provide answers and help other students. Your expertise can make a difference!
It only takes a minute to get started.
Related Questions
Percentage Composition
Chemistry
391
1
Bragg’s Law
Chemistry
386
1
Why does milk turn sour in summer?
Chemistry
385
1
Quick Actions
Community Stats
542
Questions
547
Answers
12
Students
6
Subjects