28) Which one of the following is TRUE regarding electrons,…

28) Which one of the following is TRUE regarding electrons, shells, and energy? A) Electrons are located in shells around the nucleus. B) Electrons are attracted to each other because they have the same charge. C) In order for an electron to move closer to the nucleus, it must absorb energy. D) The innermost electron shell has the most potential energy.

22) Which one of the following statements is TRUE regarding…

22) Which one of the following statements is TRUE regarding the structure of the atom? A) The nucleus is composed of equal numbers of positively charged particles and negatively charged particles. B) All electrons are located at the same distance from the nucleus. C) In small elements, such as carbon, electrons have a positive charge; in larger elements, such as barium, electrons have a negative charge. D) Most of the mass of an atom is due to its protons and neutrons.