Thallium consists of 29.5%ti-203 and 70.5%ti-205. what is the relative atomic mass of thallium? a.203amu b.204 amu c.203.5 amu d.205.3amu e.204.4 amu

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.