Across
- 2. A Dutch post-impressionist painter known for his vivid colors and emotional depth.
- 5. A form of electromagnetic radiation used in various analytical techniques, including material analysis.
- 7. A technique used to measure and analyze the interaction of light with matter.
- 8. Ions Chemical species containing sulfur with a -2 charge, believed to play a role in the reduction of chromium.
- 11. A chemical element with the symbol Cr, known for its multiple oxidation states including Cr(III) and Cr(VI).
- 12. Transformations in the chemical composition of substances due to reactions.
- 14. A bright yellow pigment made from lead chromate, used by van Gogh in his paintings.
- 16. A measure of heat, which can influence the rate of chemical reactions.
- 18. The practice of preserving and maintaining artworks to prevent deterioration.
- 20. Subatomic particles with a negative charge involved in chemical reactions.
- 21. A chemical reaction involving the loss of electrons, resulting in an increase in oxidation state.
- 22. The detailed examination or study of materials to understand their composition and properties.
- 24. A chemical element that may be associated with areas containing reduced chromium in van Gogh's paintings.
- 25. The minimum energy required for a chemical reaction to occur.
- 26. A substance that gives color to materials by absorbing certain wavelengths of light.
- 27. A chemical reaction involving the gain of electrons, often leading to a decrease in oxidation state.
Down
- 1. A reference to painters from the Flanders region, such as Rik Wouters, a contemporary of van Gogh.
- 3. The methods and processes used by artists to create their works.
- 4. A type of electromagnetic radiation that can cause chemical changes in materials.
- 6. The process by which materials take in light, affecting their color appearance.
- 9. A green pigment identified as a degradation product of chrome yellow.
- 10. The darkening observed in certain yellow paints due to chemical changes over time.
- 13. A color resulting from the alteration of yellow pigments in van Gogh's works.
- 15. An observable event or occurrence, especially one that is unusual or scientifically interesting.
- 17. Structures at the nanoscale that can influence the properties of materials, including color.
- 19. The act of keeping something in its original state or in good condition.
- 23. The process by which a substance breaks down into simpler components.