Which statement describes a concept included in the wave-mechanical model of the atom?*

As an electron in an atom moves from a higher energy state to a lower energy state, the atom*

Two atoms that are different isotopes of the same element have*

The element in Group 14, Period 3, of the Periodic Table is classified as a*

Which element has chemical properties that are most similar to potassium?*

Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?*

Which terms identify two different categories of compounds?*

Which statement describes the energy and bonding changes as two atoms of fluorine become a molecule of fluorine?*

Which part of a calcium atom in the ground state is represented by the dots in its Lewis electrondot diagram?*

Based on Table S, an atom of which element has the strongest attraction for electrons in a chemical bond?*

Which substance can not be broken down by chemical means?*

Which statement describes the particles of an ideal gas, based on the kinetic molecular theory?*

What is the amount of heat released by 1.00 gram of liquid water at 0°C when it changes to 1.00 gram of ice at 0°C?*

Which term identifies a type of intermolecular force?*

Which statement describes a reaction at equilibrium?*