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.
By comparison, one 8-ounce brewed cup of coffee provides about 95 mg, according to the USDA National Nutrient Database for Standard Reference, but will vary depending on the type and strength of the coffee, whereas the caffeine content of an 8-ounce cup of brewed green tea ranges from 10 to 50 mg, depending on the variety.