Memory map for atomic structure is a simple tool to remember basics of this topic. It is always confusing to calculate relative atomic mass and students make mistakes in its calculations. So it is easy to recall all of these informations in the picture format.
Worksheet on Memory map for atomic structure
1. How was it proved that electrons were negatively charged?
2. Which element was choosen for Rutherford’s experiment?
3. How was it proved that protons were positively charged?
4. How was it proved that neutrons were neutal?
5. How is mass number calculated?
6. Why is an atom always neutral?
7. What are isotopes? Give examples.
8. In a sample of boron, 20% of the atoms are 10Br and 80% are 11Br. If there are 100 atoms, then 20 atoms would be 10Br and 80 atoms would be 11Br. what is the Ar of boron?