Explain why metals have high reflectivity, and why they appear a certain color.
(5 pts) Explain why certain insects appear iridescent (rainbow colored) and why the dominant color seen changes with viewing angle.
What color do we see silver and gold? Explain based on your reflectivity curves.
why does the color intensity of some organisms appear different from others
Explain why the radius increases in going from 3d to the 4d metals but the radius of the 4d 4. metals is similar to the 5d metals?
Explain why different populations have similar genes: examples alleles that code for light skin color in European populations also exist within African populations why?
What color, and why, appears brighter in the darkness? Red or green? Explain. What color, and why, appears brighter in the darkness? Red or yellow? Explain.
12. Why is it that soils in high rainfall areas like the tropics often appear red? and have very low nutrient levels (Ca+2, Mg2, Kt)? Zopoldo
Use the electron configurations of the alkali metals to explain why they tend to form 1+ ions.
Use the electron configurations of the alkali metals to explain why they tend to form 1+ ions.
Polar molecules tend to have high boiling points. Explain why polar molecules require a high energy to phase change.