Across
- 5. F₂ + 2NaCl → 2NaF + Cl₂
- 10. single number infront of element
- 12. the ratio of the amount of each element to the total amount of individual elements present in the compound multiplied by 100.
- 14. AB + CD → AD + CB
- 15. mass is neither created nor destroyed in chemical reactions
- 17. AB → A + B.
- 19. change during a reaction.
Down
- 1. a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products
- 2. the small number below an element
- 3. any substance that in water solution is slippery to the touch, tastes bitte
- 4. a molecule or other entity that can donate a proton or accept an electron pair in reactions.
- 6. quantitative measure of the acidity or basicity of aqueous or other liquid
- 7. formula that gives the total number of atoms of each element in each molecule of a substance.
- 8. new material
- 9. a substance reacts rapidly with oxygen and gives off heat
- 11. the ratio between the mass and the amount of substance (measured in moles) of any sample
- 13. a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
- 16. chemical process in which simple elements or compounds combine to form a more complex product.
- 18. consisting of an ionic assembly of positively charged cations and negatively charged anion