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.
Caffeine is also present in lesser amounts in the husk that surrounds the cocoa beans, usually from .05% to 0.3%. By way of comparison, dry tealeaves are approximately 3% caffeine, and dry coffee beans are about 1.2% caffeine (Robusta coffee has 40 to 50% more caffeine than regular coffee).affeine is also present in lesser amounts in the husk that surrounds the cocoa beans, usually from .05% to 0.3%. By way of comparison, dry tealeaves are approximately 3% caffeine, and dry coffee beans are about 1.2% caffeine (Robusta coffee has 40 to 50% more caffeine than regular coffee).