Chapter 2 Vocab Flashcards
Acid!
a hydrogen containing substance and is capable of donating a proton to another substance
activation energy
the minimum amount of energy required to convert molecules into a product
adhesion
the attraction of different molecules
amino acid!
proteins formed by combined molecules
atom
the smallest unit in life
base!
a neutralizing substance and accepts hydrogen ions into water
bond energy!
the energy needed to break apart the atoms involved in a molecular bond.
carbohydrate
sugar molecules
catalyst!
an unchanged and unconsumed molecules that can make a chemical reaction happen easier.
chemical reaction!
when atoms are either formed or broken
cohesion
the attraction of the same molecules
compound!
a substance that is made of two or more elements combined in ratios.
covalent bond !
when electrons are shared evenly between atoms
element!
cannot be split into similar substances by chemical means.
endothermic!
organisms that maintain constant body temperatures.