Question

carbon and silicon crossword puzzle

Across 2. Silicon can be classified as this while carbon can not. 3. Grandma heads backwards to an off campus bookstore for thisecarbon structure. 7. reaction of silicon tetrachloride with a hydridic reagent produces 10. Silicon is commonly found in this. 11. These polymers are used as alternatives to organic oils and rubber. 12. see 11 down 13. This refractory C-Si compound is very hard and used as an abrasive and is commonly called 16. Graphite is produced by the process. 17. see 23 19. This form of aluminosilicates can be used as molecular seives. 20. See 15 21. Reaction of copper salts with cyanide produces this compound 22. These carbides are good conductors and lustrous. 23. and 17. The historical name of hydrogen cyanide Down 1. This factor prevents methane spontanously combusting in air, while silane does so readily. 2. and 6. Hydrogen cyanide is used to prepare this, a precursor to plexiglass. 4. The of carbon is gaseous and a greenhouse gas while that of silicon is found at many holiday resorts. 5. hydration of calcium carbide procuces this gas 6. see 2 8. Diamond, graphite and fullerenes are of carbon 9. The structure of silicon is the same as this form of carbon 11. and 12. Sodium amide reacts with carbon at elevated temperatures to produce this 14. This type of compound is formed, for example, when potassium reacts with graphite. 15. and 20. Method of producing silicon of high purity. 18. Trimethylamineis a pyramidal molecule while trisilylamine is

Answer 1

Acoss

2) METALLOID

3)

7)

10) SAND

11) SYNTHETIC

12) CYANIDE

13) CARBORUNDUM

16)

17) ACID

19) ZEOLITE

20) FLOATING

21)

22) TANTALUM

23) PRUSSIC

DOWN

8) ALLOTROPES

9) DIAMOND

2) METHYL

6) METHACRYLATE

5) ACETYLENE

4) DIOXIDE

18) PLANAR

15) FREE