Podcast Beta
Questions and Answers
What is the unique identifier for each element in the atomic structure?
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 charge of an ion with 12 protons and 10 electrons?
What is the term for atoms with the same atomic number but different mass numbers?
Signup and view all the answers
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?
Signup and view all the answers
What is the charge of an electron in coulombs?
Signup and view all the answers
What determines the chemical and electrical reactivity of a material?
Signup and view all the answers
What is the purpose of the 'octet rule' in atomic chemistry?
Signup and view all the answers
What happens to the valence electrons when an atom is energized?
Signup and view all the answers
What is the characteristic of a material with a valence electron count of 1-3?
Signup and view all the answers
What is the term for the outermost energy level of an atom?
Signup and view all the answers
Which of the following elements is a noble gas?
Signup and view all the answers
What is the difference between Cl 35 and Cl 37?
Signup and view all the answers
What is the maximum number of electrons in the third energy level (n = 3)?
Signup and view all the answers
What is the Aufbau principle?
Signup and view all the answers
What is the maximum number of electrons in the 'd' subshell?
Signup and view all the answers
What is the term for atoms that have the same number of protons but different numbers of neutrons?
Signup and view all the answers
For which elements can the Aufbau principle not be applied directly?
Signup and view all the answers
