Answer:
Arsenic, As, has atomic number 33, which is the number of protons in the nuclei of its atoms. A neutral As atom would also have 33 electrons. The electron configuration of a neutral arsenic atom is [Ar]3d104s24p3
Explanation:
It provides evidence that each organism is related and similar in each way, leading to the conclusion of a common ancestor.<span />
Answer: option c. protons and neutrons
Explanation: