Pre-Test (Electron Configuration)

states that electrons fill from the lowest possible energy to the highest energy.

states that when electrons occupy orbital of equal energy, one electron enters each orbital until all orbital contain one electron with parallel spins

type of notation that uses the energy level, sublevel, plus a superscript to indicate the electrons.

type of notation that uses an arrow to indicate an electron.

determines how many and what this atom or ion can bond to in order to make a molecule.

amount of time it takes for half radioisotopes in a sample to decay.

type of radioactive isotope that locate brain tumors and damaged heart cells, radiotracer in medical diagnostics.

• cobalt-60

• technetium-99m

• thallium-201

• carbon-14

an atomic orbital may describe at most two electrons.

• Hund's rule

• Pauli's exclusion principle

• Aufbau principle

• Isotopes

the process in which radioisotopes release particles and energy.

the maximum number of electrons for p orbitals.