What do electrons and neutrons have in common?

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

How many grams of phosphorus are contained in 5.09 moles of phosphorus?