The standard molar entropy (S°) for a substance is measured in units of:

The concept of the "noble gas configuration" refers to an atom's similarity to the:

What is the standard entropy change (ΔS°) for a pure crystalline substance at absolute zero?

The reaction 2H₂O₂ → 2H₂O + O₂ is an example of a:

What is the shape of an s orbital?

What is the term for the process by which an unstable nucleus spontaneously emits radiation?

What is the shape of a molecule with a linear electron domain geometry?

What is the role of a mobile phase in chromatography?

The process of a gas changing directly from a solid to a gas without passing through the liquid phase is known as:

Which element has the highest electronegativity in the periodic table?