Across
- 2. Horizontal rows in a periodic table
- 6. elements in group 17 are called as
- 7. Scientist who made group of 3 element called as triads
- 8. Tendency to gain electron
- 10. Series of Radioactive elements is called
Down
- 1. Element with highest electronegativity
- 3. What happen to the atomic size as we go down a group
- 4. elements of group 18 are called
- 5. Element with lowest electronegativity
- 9. Element from group 16 period 2
