<span>An unbalanced force acting on a body at rest will change the motion of the body. The of motion is measured by its momentum.</span>
The atom has a tiny and heavy nuclues as well-know gold foil.
Answer:
The nuclei of most atoms also contain neutrons . The masses of subatomic particles are very tiny. ... Since the nucleus contains protons and neutrons, most of the mass of an atom is concentrated in its nucleus. Protons and electrons have electrical charges that are equal and opposite.
Gold, Silver, Copper are all part of a class of minerals called Native Elements. Platinum, Graphite, Diamond and Mercury are also apart of this group. Also known as the Native Metals.