A beaker contains an aqueous solution of sodium acetate (NaC2H3O2) of unknown concentration. A few crystals of sodium acetate are added to the beaker. They sink to the bottom of the beaker and remain there unchanged even after further mixing. What can you conclude about the level of saturation of the solution?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

How many neutrons does an element have if its atomic number is 50 and its mass number is 166