Across
- 2. A chemical element that forms a salt when it reacts with metal
- 9. Noble gases are sometimes referred as
- 10. Stranger gas
- 12. Purest form of silicon
- 13. A silvery-gold coloured, soft, and ductile metal known for its high reactivity and low melting point
- 17. The rarest naturally occurring element in the earth
- 18. The most dangerous metal in the periodic table
- 19. Formerly known as Columbium,__________ is a grey metal
- 20. In fireworks what produces red flames
- 22. A metal with high melting point
Down
- 1. Most reactive gas
- 3. created the framework that became the modern periodic table
- 4. Present in thermometer
- 5. Coated over steel to protect them from corrosion & improve their appearance
- 6. 2nd lightest noble gas
- 7. Name adopted from the Greek word "beryllos," referring to the gemstone beryl
- 8. A nuclear explosion of 1 kg of __________ underground would generate a massive release of energy and cause destruction
- 11. A specific crystalline form of the element carbon
- 14. A metal used in jewellery making whose symbol derives from the Latin word ”Argentum”
- 15. It's a silvery-blue, hard, and lustrous metal that is a transition metal
- 16. Silvery-white lustrous metal with a slight golden tinge
- 21. The primary element used in making food cans