Podcast
Questions and Answers
What is the unique identifier for each element in the atomic structure?
What is the unique identifier for each element in the atomic structure?
- Number of protons (correct)
- Number of neutrons
- Mass number
- Number of electrons
What is the force that opposes the pull of the nucleus on the electrons moving in a circular path in the orbit?
What is the force that opposes the pull of the nucleus on the electrons moving in a circular path in the orbit?
- Centripetal force (correct)
- Centrifugal force
- Gravitational force
- Electromagnetic force
What is the charge of an ion with 12 protons and 10 electrons?
What is the charge of an ion with 12 protons and 10 electrons?
- -2 (correct)
- +4
- 0
- +2
What is the term for atoms with the same atomic number but different mass numbers?
What is the term for atoms with the same atomic number but different mass numbers?
What is the number of protons in the nucleus of an atom that has a mass number of 40 and an atomic number of 20?
What is the number of protons in the nucleus of an atom that has a mass number of 40 and an atomic number of 20?
What is the charge of an electron in coulombs?
What is the charge of an electron in coulombs?
What determines the chemical and electrical reactivity of a material?
What determines the chemical and electrical reactivity of a material?
What is the purpose of the 'octet rule' in atomic chemistry?
What is the purpose of the 'octet rule' in atomic chemistry?
What happens to the valence electrons when an atom is energized?
What happens to the valence electrons when an atom is energized?
What is the characteristic of a material with a valence electron count of 1-3?
What is the characteristic of a material with a valence electron count of 1-3?
What is the term for the outermost energy level of an atom?
What is the term for the outermost energy level of an atom?
Which of the following elements is a noble gas?
Which of the following elements is a noble gas?
What is the difference between Cl 35 and Cl 37?
What is the difference between Cl 35 and Cl 37?
What is the maximum number of electrons in the third energy level (n = 3)?
What is the maximum number of electrons in the third energy level (n = 3)?
What is the Aufbau principle?
What is the Aufbau principle?
What is the maximum number of electrons in the 'd' subshell?
What is the maximum number of electrons in the 'd' subshell?
What is the term for atoms that have the same number of protons but different numbers of neutrons?
What is the term for atoms that have the same number of protons but different numbers of neutrons?
For which elements can the Aufbau principle not be applied directly?
For which elements can the Aufbau principle not be applied directly?
