Gained or lost to make a molecule more stable; they may also be shared, as in covalent bonds. a. atomic neutrons b. valence electrons c. protons and neutrons d. atoms

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

All cells are made of four types of acids, lipids, proteins, and carbohydrates.