What did rutherford’s gold foil experiment indicate?
a. that electrons carried a negative change
b. that protons orbited the atomic nucleus
c. that atoms were densely pack with nuclear material
d. that most of an atom was empty space

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Compare and contrast physical changes with chemical changes.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: