Question #684a1

1 Answer
Daniel H.
Nov 15, 2017

Alpha particles are huge in comparison to electrons

Explanation:

Alpha particles consist of 2 protons and 2 neutrons. So, relatively huge. Electrons are just itty bitty things. So, ignoring them in an atom of gold with an atomic number of 197 is entirely reasonable.

Related questions
Impact of this question
138 views around the world
You can reuse this answer
Creative Commons License