In a double covalent bond, how many pairs of electrons are shared between two atoms?

What is the shape of an s orbital?

The compound NH₄Cl is commonly known as:

The compound CH₄ is commonly known as:

What is the term for a bond formed by the attraction between a hydrogen atom and a lone pair of electrons on a nearby atom?

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p³?

The technique that measures the change in electrical conductivity of a solution during a chemical reaction is known as:

What is the name of the compound with the formula H2SO4?

Which of the following is a common property of acids?

What is the product of the reaction between barium chloride (BaCl₂) and sodium sulfate (Na₂SO₄)?