chemistry
Across
- 3. Collective term for double and triple bond. 〇〇 bond.
- 5. Separation of covalent bond. Each atom gaining one electron from the shared pair to form two free radicals.
- 6. Separation technique used to separate substances such as ink.
- 8. Chemical reaction that absorbs energy (decrease temperature) is called 〇〇 energy.
- 11. Name of electrode where reduction occur.
- 16. Tendency of a substance to evaporate at normal temperature.
- 18. Change in physical states solid to gas.
- 20. Some elements have different structural forms(ex.carbon).
- 21. The minimum amount of energy required to initiate a chemical reaction is called 〇〇 energy.
- 23. Chemical reaction that burn something.
Down
- 1. Separation techniques used to separate mixture of liquid having different boiling point.
- 2. Name of electrode where oxidation occur.
- 4. Molecular geometry of methane.
- 7. Reaction in which monomers bond together.
- 9. Collective term for oxidation and reduction reactions is called 〇〇 reaction.
- 10. Vertical column of elements in the periodic table.
- 12. Exception of Lewis structure appeared in ib syllabus, other than copper.
- 13. Functional group alcohol+carboxylic acid.
- 14. Change in physical states gas to liquid.
- 15. Accurate appratus used for measuing liquid in titration.
- 17. Component in a solution. Dissolved in a solvent.
- 19. Temperature that substances start to convert into liqid is called 〇〇 point.
- 22. Non-charged subatomic particle existing in nucleus.
- 24. Process of losing electron