Vocabulary alpha particle atomic number atomic weight beta particle element isotope isotopic abundance mass number neutron nuclide nuclide symbol proton radioactivity Before the discovery of radioactivity, all atoms of a particular element were assumed to be identical.
Side effects. Green coffee seems to cause few side effects. The caffeine in green coffee -- just like the caffeine in brewed coffee -- can cause symptoms that include: 1  Headache. 2  Upset stomach. 3  Anxiety.
(Smaller light roasted beans mean you get more beans, i.e. more caffeine, per scoop.) Cold brew coffee tends to have less caffeine, too. Tea is another option that can provide less of a jolt â black tea has 14 to 70 mg of caffeine in an eight-ounce cup compared to 95 to 200 mg in the same size cup of coffee.