Chemistry > EXAM > HESI A2 Chemistry Practice Test 2023 (All)

HESI A2 Chemistry Practice Test 2023

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HESI A2 Chemistry Practice Test 2023 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? - Corr... ect 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. What are the reactants in a chemical reaction? - Correct Answer The ingredients of a chemical reaction. What is the term given to the results of a chemical reaction? - Correct Answer The products. [Show More]

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