4 substances are mixed in test tube during a chemical reaction. The concentrations of the 4 substances are measured at 0s and at 100s

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

Using the periodic table, complete the table to describe each atom. type in your answers