Last option that is none of above is right answer.
Answer:
answer is in the link because it says my answer contains inappropriate words
Explanation:
Electrons are electrochemically negatively charged particles that move random around the nucleus. They have a relatively small mass compared to Protons and Neutrons. They are found in electron clouds that surround the nucleus and their movement and properties provide for the bonding characteristics of each atom.
Answer: emission spectrum
Explanation: