Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
four shared electrons, or two shared pairs of electrons (or two covalent bonds) between the same two atoms.
drawing a line in the diagram of a molecule to indicate where electrons are shared.
reactions that cause the surroundings to cool. Heat is taken in.
during hydrocracking a high hydrogen concentration (partial pressure) ensures that any shorter...
a measure of the bond energy of a chemical bond. A large amount of energy is needed to break a...