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Questions and Answers
What is the charge of a proton?
What is the charge of a proton?
- Neutral
- Positive (correct)
- Negative
- Attractive
What defines the atomic number of an element?
What defines the atomic number of an element?
- The average mass of the element
- The total number of protons and neutrons
- The number of protons in an atom (correct)
- The number of neutrons in an atom
Which particles are located in the nucleus of an atom?
Which particles are located in the nucleus of an atom?
- Only neutrons
- Only protons
- Protons and electrons
- Protons and neutrons (correct)
What is the mass of an electron compared to protons and neutrons?
What is the mass of an electron compared to protons and neutrons?
What does the mass number of an atom represent?
What does the mass number of an atom represent?
What is an ion?
What is an ion?
What do Lewis diagrams represent?
What do Lewis diagrams represent?
What type of ion has more electrons than protons?
What type of ion has more electrons than protons?
What do acids produce in aqueous solutions?
What do acids produce in aqueous solutions?
What is the effect of increasing temperature on the rate of a chemical reaction?
What is the effect of increasing temperature on the rate of a chemical reaction?
What is a catalyst?
What is a catalyst?
What phenomenon does Le Chatelier's principle describe?
What phenomenon does Le Chatelier's principle describe?
What type of radiation is emitted during alpha decay?
What type of radiation is emitted during alpha decay?
What happens during beta minus decay?
What happens during beta minus decay?
What is the definition of half-life?
What is the definition of half-life?
What occurs during nuclear fusion?
What occurs during nuclear fusion?
How does gamma decay differ from alpha and beta decay?
How does gamma decay differ from alpha and beta decay?
What type of reaction does E=mc^2 relate to in the context of nuclear processes?
What type of reaction does E=mc^2 relate to in the context of nuclear processes?
What is a characteristic of exothermic reactions?
What is a characteristic of exothermic reactions?
Which type of reaction involves one reactant breaking down to form multiple products?
Which type of reaction involves one reactant breaking down to form multiple products?
In a redox reaction, what occurs to an atom that loses electrons?
In a redox reaction, what occurs to an atom that loses electrons?
What does the Activity Series help to predict?
What does the Activity Series help to predict?
What type of bond is most likely to form between two elements with large differences in electronegativity?
What type of bond is most likely to form between two elements with large differences in electronegativity?
What do dipole-dipole forces occur between?
What do dipole-dipole forces occur between?
Which law states that heat will flow from a warmer system to a cooler system until thermal equilibrium is reached?
Which law states that heat will flow from a warmer system to a cooler system until thermal equilibrium is reached?
What is thermal energy a measure of?
What is thermal energy a measure of?
In terms of solubility, which statement is correct regarding 'like dissolves like'?
In terms of solubility, which statement is correct regarding 'like dissolves like'?
Which factors influence the strength of London dispersion forces?
Which factors influence the strength of London dispersion forces?
What is the relationship between vapor pressure and intermolecular forces?
What is the relationship between vapor pressure and intermolecular forces?
Which of these postulates is NOT included in the kinetic molecular theory?
Which of these postulates is NOT included in the kinetic molecular theory?
What drives double replacement reactions to occur?
What drives double replacement reactions to occur?
What occurs when an electron absorbs a photon with energy equal to the difference between two energy levels?
What occurs when an electron absorbs a photon with energy equal to the difference between two energy levels?
Which element is most likely to gain one electron to achieve a full octet?
Which element is most likely to gain one electron to achieve a full octet?
What does the Aufbau principle state about electron filling in atoms?
What does the Aufbau principle state about electron filling in atoms?
What characterizes ionic bonds?
What characterizes ionic bonds?
Which trend occurs when moving across a period in the periodic table?
Which trend occurs when moving across a period in the periodic table?
What is the electron configuration of the lithium ion (Li⁺)?
What is the electron configuration of the lithium ion (Li⁺)?
What type of bond typically forms between a metal and a nonmetal?
What type of bond typically forms between a metal and a nonmetal?
How do elements in the same group of the periodic table relate to each other?
How do elements in the same group of the periodic table relate to each other?
In what way do electrons behave within the same subshell?
In what way do electrons behave within the same subshell?
What occurs to ionization energy as one moves down a group in the periodic table?
What occurs to ionization energy as one moves down a group in the periodic table?
What trend is observed in atomic radius when moving down a group?
What trend is observed in atomic radius when moving down a group?
What is a characteristic of a metallic bond?
What is a characteristic of a metallic bond?
What visual representation aids in understanding how atoms bond in a molecule?
What visual representation aids in understanding how atoms bond in a molecule?
Which of the following describes the process of ionization?
Which of the following describes the process of ionization?
What is the primary difference between isotopes of the same element?
What is the primary difference between isotopes of the same element?
Which statement accurately describes the mass number of an atom?
Which statement accurately describes the mass number of an atom?
What do Lewis diagrams indicate about an atom or ion?
What do Lewis diagrams indicate about an atom or ion?
What defines an atom as an ion?
What defines an atom as an ion?
How is the average atomic mass of an element determined?
How is the average atomic mass of an element determined?
What occurs when an electron transitions to a lower energy level?
What occurs when an electron transitions to a lower energy level?
Which principle helps predict the electron configurations for atoms?
Which principle helps predict the electron configurations for atoms?
What is the primary characteristic of ionic bonds?
What is the primary characteristic of ionic bonds?
How does the atomic radius change as you move across a period in the periodic table?
How does the atomic radius change as you move across a period in the periodic table?
What happens to ionization energy as you move down a group in the periodic table?
What happens to ionization energy as you move down a group in the periodic table?
What type of reaction involves two compounds exchanging ions?
What type of reaction involves two compounds exchanging ions?
Which statement accurately describes the process of oxidation in a redox reaction?
Which statement accurately describes the process of oxidation in a redox reaction?
Which type of bond is formed when there is a large difference in electronegativity between two elements?
Which type of bond is formed when there is a large difference in electronegativity between two elements?
What is the primary factor that causes a liquid's vapor pressure to decrease?
What is the primary factor that causes a liquid's vapor pressure to decrease?
Which law states that energy is conserved within a system and its surroundings?
Which law states that energy is conserved within a system and its surroundings?
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