Chemical reactions might be fast -- burning gasoline, or slow -- rusting. Usually the require two or more reactants. Most of these, along with requiring more than 1 substance, also requires something to get it started ... burning needs a spark to start it.
Nuclear decay only requires 1 thing, the radioactive element. Wait and it spontaneously undergoes decay.
Answer:
900
Explanation:
when you add/subtract you round to the least number of decimals points
water molecules are attracted to polar molecules and surround them.
Answer:
there are 4 possible isomers
