Perform the following operation and express the answer in
scientific notation.
3.60x10^-12 + 3.60x10^-11
[ ? ]x10

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

What will most likely happen when two bromine atoms bond together?

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?