Basic Chemistry Vocabulary Quizlet Flashcards
number of protons in an atom is its _________________.
atomic number
two or more elements combined
compound
When two atoms share one or more pairs of electrons, it forms a ___________________________.
covalent bond
a process that changes, or transforms, one set of chemicals into another
chemical reaction
energy needed for a reaction to start
activation energy
a solution in which water is the solvent
aqueous solution
molecule with unequal distribution of charge
polar molecule
movement of water into small openings
capillary action