Across
- 2. any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance
- 5. a chemical reaction that involves the release of energy in the form of heat or light
- 7. a part or aspect of something abstract, especially one that is essential or characteristic.
- 8. a substance made by mixing other substances together.
Down
- 1. the state of being thick, sticky, and semi fluid in consistency, due to internal friction.
- 3. When an element completely disappears in water
- 4. any substance that in water solution is slippery to the touch, tastes bitter,
- 5. a chemical reaction that absorbs heat
- 6. matter cannot be created or destroyed in a chemical reaction
