Q1. What are metals?
Q2. What are non metals?
Q3. What are metalloids?
Q4. Explain the reactivity of metals in their respective groups.
Q5. How the non metals are subdivided based on their reactivity in periodic table?
Q6. Explain the amphoteric nature of Beryllium based on its properties.
Q7. Explain the amphoteric nature of Radon based on its properties.
Q8. What is Madelung Rule or energy ordering rule for filling of electrons in their subshells?
Q9. Give the diagram for Madelung Rule.
Q10. What is the electronic configuration of Neon with atomic number 10.