Calculate the mass of scheelite that contains a million oxygen atoms

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Type the letter that represents the correct location for each particle type below.