The bond angle in a molecule with a square planar shape is approximately:

What is the term for a bond formed by the sharing of electrons with a slight difference in electronegativity?

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s¹?

What type of isomerism is exhibited by molecules with the same molecular formula but different arrangements of atoms in space?

Which element is a metalloid with the chemical symbol Si?

What is the equation for the rate of a chemical reaction in terms of reactant concentrations?

The Lewis structure for a water (H2O) molecule shows:

The term "adiabatic" comes from the Greek words meaning:

What happens to the pH of a solution when it becomes more acidic?

Which technique measures the absorption of X-rays by atoms to determine the elemental composition of a sample?