Ernest Rutherford contributed to the atomic theory by discovering that the atom is mostly empty space.
He can to that conclusion because he fired alpha particles at gold foil, which was so thin that it was only around .00004 cm thick, and while almost all shot straight through, some actually bounced back!
He likened it to shooting a 15-inch round(bullet) at tissue paper, only to have it bounce right back at you! Based on this, he theorized that the atom is mostly empty, which is why a majority of the particles passed right through, but in the very center of the atom there is a super-dense structure called a nucleus that held a majority of the atom's mass. This super-dense mass would be more than massive enough to deflect the particle, should they collide.
The Antebellum Period in American history is generally considered to be the period before the civil war and after the War of 1812. <span>Slaves in the U.S. resisted their bondage through many passive forms of resistance, such as damaging equipment, working slowly, or keeping their culture and religious beliefs alive, although that often required secrecy. </span>
Answer:
B
Explanation:
The country is a denocratic republic with a parliamentary system of government headed by a prime minister and involving numerous political parties
