Across

3. Smallest discrete packet of electromagnetic energy

5. Gas produced at cathode during electrolysis of water

6. Simplest type of chemical bond formed by electron sharing

7. Law stating pressure and volume of a gas are inversely related

10. Membrane bound organelle responsible for cellular respiration

12. Force that resists relative motion between fluid layers

13. Green pigment in chloroplasts essential for photosynthesis

15. Scientist who proposed the planetary model of the atom

Down

1. Scale used to measure acidity or alkalinity

2. Process by which DNA makes a copy of itself

4. Positively charged particle in an atom’s nucleus

8. Measure of disorder and randomness in a system

9. Substance that speeds up a reaction without being consumed

11. Science of classifying organisms based on shared traits

14. Unit of frequency equal to one cycle per second

Answers will be published here after the release of the LC3 2025 edition