Definitions
These forces produces a slight attraction between the mole when they are very close together
Van der walls forces
Type of bond formed when moving electrons travel about the nuclei of both atoms
Covalent bond
The substance that is dissolved in water is the ____
Solute
____ are compounds with an amino group (-NH2
Amino acids
____ are biological catalyst and most enzymes are proteins
Enzymes
Strong forces bind protons and neutrons together to form
The nucleus
A pure substance that consists entirely of one type of atom
Element
The attraction between molecules of different substances is called
Adhesion
______ are made up of carbon, hydrogen, and oxygen atoms
Carbon atoms
The elements or compounds produced by a chemical reaction are know as ___
Products
The attraction between a hydrogen atom with a partial positive charge and another atom with a partial negative charge
Hydrogen bond
Atoms of the same element that differ in the number of neutrons they contain
Isotopes
A ___ is a material composed of two or more elements
Mixture
___ are made of mostly from carbon and hydrogen atoms
Lipids
The energy that us needed to get a reaction started is called it’s ____ ____
Activation energy
Scale to indicate the concentration of H+ ions in solution
pH scale
positively and negatively charged atoms
Ions
The ions gradually become disersed in the water forming at type of mixture called ___
Solution
____ are monomers that consist of three components: a 5-carbin sugar, a phosphate group and nitrogenous base
nucleotides
A ___ is a substance that Leeds of the rate of chemical reaction without being consumed by the reaction
Catalyst
Basic unit of matter
Atom
What charge are neutrons
No charge at all
The attraction between molecules of the same substance is calle?
Cohesion
Monomers are joined together to form ____
Polymers
A ___ is a process that changes or transforms one set of compounds into another
Chemical reaction