Across
- 2. A vertical column in the periodic table
- 4. Another nama for group 17
- 9. Sodium hypochlorite (NaClO) is the main component of ………….
- 10. Help promote proper functioning of the thyroid hormones
- 11. An alkali metal
- 12. A horizontal row in the periodic table
Down
- 1. It is used to disinfect drinking water and swimming pool
- 3. An alkaline earth metal
- 5. Mg is the ……………. metal
- 6. NaCl also known as ……………
- 7. Br is used in …………… retardants because of its fire-resistant properties
- 8. Has the atomic numbers of 35