Physical and Chemical Changes
Across
- 2. When heated at 100 C it can cause vapour
- 5. Made of sub-atomic particles
- 6. Something that is prone to become a gas
- 8. A gaseous form a liquid which has evaporated due to being in room temperature
- 9. When metal begins rust
- 11. A type of catalyst that helps create chemical reactions
- 13. Substances that are bond together by different atoms
- 15. When heated at a certain temperature, a solid could turn into a liquid
- 17. A substance that can make things go faster by increasing the rate of a chemical reaction
- 22. A substance that only consists of one type of atom
- 23. The beginning of a chemical reaction which is seen on the left side
- 25. A combination of two atoms that form together
- 27. The horizontal row of the periodic table
- 28. A molecule that consists of only two atoms
- 29. A vapor or gas that has a stench
Down
- 1. A huge chain that consists of molecule substances
- 3. An arrangement of particles that turns it into a regular pattern
- 4. Just one atom
- 7. When two atoms that are the same element are bond together
- 9. The amount of pressure put into a particle
- 10. When gas changes into liquid due to the temperature change
- 12. When a solid turns into a gas or a gas turns into a solid
- 14. When two different atoms bond together
- 16. When a liquid undergoes chemical change that makes it gas
- 18. You can speed this up by adding heat energy
- 19. When two atoms are attracted towards each other by force
- 20. A classification system that classifies atoms by atomic mass
- 21. When substances react to energy and start colliding forming a more kinetic energy
- 24. When something is classified to its own section
- 26. The after-mat of a reactant which is seen on the right side