HESI A2 CHEMISTRY EXAM QUESTIONS WITH CORRECT VERIFIED ANSWERS | 100% PASS (A+ CERTIFIED)

What makes an atom's physical structure? Correct Answer A nucleus and orbits(sometimes known as electron clouds) What composes the center of the atom? Correct Answer Protons and neutrons What spins in the orbits of an atom? Correct Answer Electrons What are the energy levels of the atom called? Correct Answer Shells or orbits What is the term used to define an atom that is electrically charged? Correct Answer Ionic state. What is a cation? Correct Answer An atom with a positive charge What is anion? Correct Answer An atom with a negative charge What is the structure of the periodic table? Correct Answer A series of rows called periods, and columns called groups. What can be predicted by the group an element occupies? Correct Answer Charge and the numbers of electrons in its outer shell. What is the name and properties of group VIII of the periodic table? Correct Answer Noble gases. They tend to remain neutral in most situations, because their outer orbits are complete. What is the atomic number? Correct Answer The number of protons in the nucleus, defines an atom of a particular element. What is the atomic mass? Correct Answer The average mass of an element's isotopes. What are isotopes? Correct Answer Different kinds of the same atom that vary in weight. What is a compound? Correct Answer The combination of different elements. What do chemical reactions resemble? Correct Answer A cooking recipe.