Vocab Ch. 2 Chemistry

Attractive forces that hold atoms together

Forms when 2 atoms share one of more pairs of electrons

Positive and negative electrons attract each other

Ability to do work

Energy needed to start reaction

One or more substances change to produce one or more differnect substances

Certain chemical substances reduce amount of activation energy needed for reactoin to take place

Protein or RNA molecule that speeds up metabolic reactoins without being permanently changes/destroyed

Reactant loses one or more elcectrons which then becomes positive in charge

Reactant gains one or more electrons

The force of attraction between a hydrogen molecule with a partial positive charge and another moecule/atom with a partial or full negative charge 

Attractive force between 2 particles of different substances (ex. water molecule & glass molecule)

Attractive force that holds molecules of a single substance together

Substance dissolved in a solvent

Substance in which the solute is dissolved