The nucleus of an atom consists of 8 protons and 6 neutrons the total of number of electrons present in a neutral atom of this element is

Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96

Calculate the number of molecules present in 0.750 mol of mgo.

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist