pH has a scale of 1-14. There is an order of magnitude difference in hydrogen ion activity between each integer of the pH scale. In this color scale, pH values of less than 7 are acidic (orange-red); if they are greater than 7 they are basic (green-blue).
Originally uploaded in Math You Need - Majors:Orders of Magnitude.
Image 346073 is a 3024 by 4032 pixel WebP
Uploaded:
Jun3 24