The modern periodic table is organized by?

a. atomic number

b. number of protons in each element

c. atomic weight

d. chemical properties

What must happen before a body cell can begin mitotic cell division

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?