Question: What are the two parts of an atom?

Answer: the nucleus and the electron cloud

Question: Which argument best explains the charge of an atomic nucleus?

Answer: An atomic nucleus is positively charged because it is composed of protons.

Question: Which statement describes an atomic nucleus?

Answer: An atomic nucleus contains most of the atom’s mass.

Question:

Answer: The viewer travels through the electron cloud, then the nucleus, and then the electron cloud again.

Question: Which statement best explains why the overall charge on an atom is zero?

Answer: The positive charge of the protons in the nucleus equals the negative charge in the electron cloud.