Chemistry · Unit 9 · Chapter 9.3

Nuclear Equation Balancer

How to use: Read the decay. Pick the new nucleus. The checklist adds up the mass numbers and atomic numbers on each side.
Choose the new nucleus.
Checklist
LeftRightBalanced?
Mass numbers
Atomic numbers

Rule: mass numbers add up the same on both sides. Atomic numbers add up the same on both sides. The atomic number tells you the element.

Score: 0 correct of 0

Illustrative practice problems (isotopes are real). This simulation is a simple model for learning, not a real lab measurement.