Gizmo Vocabulary Complete Assignment With 100% Verified Answers.

Atomic number - correct answer the number of protons in the nucleus of an atom. Atomic radius - correct answer The atomic radius of a chemical element is a measure of the size of its atoms Aufbau principal - correct answer electrons orbiting one or more atoms fill the lowest available energy levels before filling higher levels Chemical family - correct answer a column of elements in the periodic table of the chemical elements. Diagonal rule - correct answer a guideline explaining the order in which electrons fill the orbital levels Electron configuration - correct answer the distribution of electrons of an atom or molecule in atomic or molecular orbital Hund's rule - correct answer every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin. Orbital - correct answer An energy state in the atomic model which describes where an electron will likely be. Pauli exclusion principle - correct answer The Pauli exclusion principle is the quantum mechanical principle that states that two identical fermions cannot occupy the same quantum state simultaneously. Period - correct answer name given to a horizontal row of the periodic table, The periodic table has seven periods. Shell - correct answer