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Protons goes in the blank. the word can be used for both.
The answer would be: <span>a.a mixture that is uniform throughout
A homogenous mixture would be hardly distinguishable since the solute spread evenly inside the solvent. A heterogeneous mixture is not spread evenly so it is </span>easily distinguishable.A suspension has a big molecule solute that will slowly settle and make sediment at the base of the solution. A colloid mixture is suspended but it won't settle like suspension does.
The second shell is left at 7, it should be filled to 8 to go to the next shell.
Rojo, naranja, amarillo, verde, cian, azul y violeta