Across
- 1. Eka-Alluminium(Mendeleev)
- 4. allotrope of carbon which is good conductor of electricity
- 6. Horizontal Rows of a Periodic Table
- 7. Vertical Coloumns of a Periodic Table
- 8. different structural modifications of an element
Down
- 2. same number of protons but different nuetrons
- 3. latin name of Potassium
- 5. the first element of the periodic table
