Not sure about the last one, but I think the percent composition of zinc would be ~ 42.8232
It will have 35 ''electrons'' . Basically the number of protons in the nucleus of an atom is always equal to the number of electrons but its just that protons are positively charged and electrons are negatively charged. <span />
Answer:
C. Dissecting microscope
Explanation:
It is trying to see the surface
