Across
- 3. What is the main substance in burning reaction?
- 6. This is one of the most spread gas
- 7. Another name for unsaturated hydrocarbon
- 8. When we talk about radical that gravitates to particle with negative charge, we called it ...
- 9. This is name of chemical element that is number 29 in periodic table
Down
- 1. The lightest chemical element called...
- 2. It is name of person who created one of the most popular chemical table
- 4. The rule for electrophilic addition reaction was created by this man
- 5. What is chemisrty teacher`s name?
- 6. It consists of protons and neutrons