Compared to the charge of a proton, the charge of an electron has*

Which atom has the largest atomic radius?*

In the wave-mechanical model of the atom, an orbital is defined as*

When an excited electron in an atom moves to the ground state, the electron*

Which polyatomic ion is found in the compound represented by the formula NaHCO₃?*

The atomic mass of magnesium is the weighted average of the atomic masses of*

Which element has atoms that can form halide ions?*

Two forms of solid carbon, diamond and graphite, differ in their physical properties due to the differences in their*

Which quantity can be calculated for a solid compound, given only the formula of the compound and the Periodic Table of the Elements?*

Which terms identify types of chemical reactions?*

The greatest amount of energy released per gram of reactants occurs during a*

Which element has atoms with the strongest attraction for electrons in a chemical bond?*

Compared to the physical and chemical proper- ties of the compound NO₂, the compound N₂O has*

Which phrase describes a molecule of CH₄, in terms of molecular polarity and distribution of charge?*

Which sample of copper has atoms with the lowest average kinetic energy?*