<span> Ksp = [Ba2+][CO32-] = (9.0 X 10⁻⁵)² = 8.1 X 10</span>⁻⁹
Answer:
Anions. Some atoms have nearly eight electrons in their valence shell and can gain additional valence electrons until they have an octet. When these atoms gain electrons, they acquire a negative charge because they now possess more electrons than protons. Negatively charged ions are called anions.
White light is what the eye sees when wavelengths of all colours reach the eye.
It is a combination of Red, Blue and Green wavelengths of light, that is perceived as white.
Hi!
I think the oxidation state of all the atoms should change. :)
Hope this helps