Sometimes we can see pollutants in water – such as floating trash. What pollutants might you not “see” in water but are dangerous to living things? *

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

What happens when the temperature of a solution increases?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true