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Questions and Answers
What is the main concept that explains the distribution of electrons among orbitals in an atom?
What is the main concept that explains the distribution of electrons among orbitals in an atom?
- Aufbau principle
- Quantum mechanics
- Electron configuration (correct)
- Orbital diagram
Which of the following principles states that electrons occupy the lowest energy orbitals available?
Which of the following principles states that electrons occupy the lowest energy orbitals available?
- Electron configuration principle (correct)
- Hund's rule
- Pauli's exclusion principle
- Aufbau principle
In which subshell do electrons go into in the transition elements, according to the Aufbau process?
In which subshell do electrons go into in the transition elements, according to the Aufbau process?
- d subshell (correct)
- p subshell
- f subshell
- s subshell
What determines the group number of an A-group element?
What determines the group number of an A-group element?
What is the relationship between the period number and the highest number of principal shell containing electrons?
What is the relationship between the period number and the highest number of principal shell containing electrons?
What is the composition of the nucleus in Rutherford's atomic model?
What is the composition of the nucleus in Rutherford's atomic model?
Which of the following statements is a key idea required to write a probable electron configuration?
Which of the following statements is a key idea required to write a probable electron configuration?
What is the average of the mass numbers of the isotopes of an element based on their percentage abundances?
What is the average of the mass numbers of the isotopes of an element based on their percentage abundances?
What is the relationship between the velocity, frequency, and wavelength of electromagnetic radiation?
What is the relationship between the velocity, frequency, and wavelength of electromagnetic radiation?
What is the characteristic of the emission spectrum of an atom?
What is the characteristic of the emission spectrum of an atom?
What is the energy of a photon according to Einstein's explanation of the photoelectric effect?
What is the energy of a photon according to Einstein's explanation of the photoelectric effect?
What is the result of an electron falling from a higher to a lower energy level in Bohr's theory?
What is the result of an electron falling from a higher to a lower energy level in Bohr's theory?
What is the shape of the four sp3 hybrid orbitals?
What is the shape of the four sp3 hybrid orbitals?
What is the bond angle in CH4?
What is the bond angle in CH4?
What type of hybridization does PCl5 exhibit?
What type of hybridization does PCl5 exhibit?
How many hybrid orbitals are required to describe bonding in SF6?
How many hybrid orbitals are required to describe bonding in SF6?
What type of bond consists of one σ and one π bond?
What type of bond consists of one σ and one π bond?
What is the type of hybridization involved in the formation of C2H4?
What is the type of hybridization involved in the formation of C2H4?
What is the symbol used to represent the magnitude of a bond dipole moment?
What is the symbol used to represent the magnitude of a bond dipole moment?
What determines the magnitude of the partial charges in a bond dipole moment?
What determines the magnitude of the partial charges in a bond dipole moment?
In which direction are dipole vectors typically drawn?
In which direction are dipole vectors typically drawn?
What is the condition for a molecule to be polar?
What is the condition for a molecule to be polar?
Why is the trans isomer non-polar?
Why is the trans isomer non-polar?
What is the direction of the molecular dipole in the cis-isomer?
What is the direction of the molecular dipole in the cis-isomer?
What is the condition for an atom to be electrically neutral?
What is the condition for an atom to be electrically neutral?
What is the term for the total number of protons and neutrons in an atom?
What is the term for the total number of protons and neutrons in an atom?
What happens when an atom gains one or more electrons?
What happens when an atom gains one or more electrons?
What is the difference between the mass number and the atomic number?
What is the difference between the mass number and the atomic number?
What is the charge of an atom with 11 protons and 10 electrons?
What is the charge of an atom with 11 protons and 10 electrons?
What happens when an atom loses one or more electrons?
What happens when an atom loses one or more electrons?
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