Answer:
electrons
Explanation:
electrons are negatively charged particles in an atom
Answer:
the attraction between particles
A ) 14 billion years = 14,000,000,000

b ) 1 year = 365 · 24 · 3,600 = 31,536 · 10³
Use the distance swan and the time elapsed in that interval.
Average velocity = distance / time
Average velocity = [4.0 m + 3.0m] / 3.2 s = 2.1875 m/s