Across
- 2. What is the smallest unit of an element that retains its chemical properties?
- 3. Loss of electrons is called?
- 5. Which bond is formed by sharing of electrons?
- 8. What is the number of protons in an atom called?
- 10. Which polymer is commonly abbreviated as PVC?
- 11. A substance that accepts H⁺ ions is called a?
- 13. The gradual deterioration of metals due to chemical or electrochemical attack is called?
- 15. Which natural polymer is the major structural component of plants?
- 17. What is the repeating unit of a polymer called?
- 18. What law states that mass is neither created nor destroyed in a chemical reaction?
- 19. What concentration term represents moles per litre of solution?
Down
- 1. What concentration term represents moles per kilogram of solvent?
- 4. What is the process of acid reacting with a base called?
- 5. The electrode at which reduction occurs is called?
- 6. Which subatomic particle has no electrical charge?
- 7. What is the pH of pure water at 25°C?
- 9. Atoms having the same atomic number but different mass numbers are called?
- 12. Gain of electrons is called?
- 14. Which membrane process is commonly used for water purification?
- 16. Which element has the highest electronegativity?