General Biology Study Guide INTRO TO CHEMISTRY Flashcards
ATOM
A BASIC UNIT OF MATTER THAT CANNOT BE BROKEN DOWN BY NORMAL CHEMICAL REACTIONS.
ELECTRONS
A NEGATIVELY CHARGED PARTICLE THAT RESIDES OUTSIDE OF THE NUCLOUS IN THE E- ORBITAL, LACKS FUNCTION AND MASS AND HAS A CHARGE OF -1
PROTONS
A POSITIVELY CHARGED PARTICLE THAT RESIDES IN THE NUCLOUS OF AN ATOM AND HAS A CHARGE OF +1.
NEUTRONS
A PARTICLE WITH NO CHARGE THAT RESIDES IN THE NUCLEOUS OF AN ATOM; HAS A MASS OF 1
KINETIC ENERGY
THE ENRGY OF MOTION
POLART MOLECULE
A MOLECULE WHERE ONE END IS SLIGHTLY NEGATIVE CHANRGES AT ONE END AND SLIGHTLY POSITIVE CHARGES AT THE OTHER END.
HYDROPHOBIC
DOES NOT LIKE WATER
HYDROPHILLIC
LOVES WATER
SOLVENT
A SUBSSTANCE CAPABLE OF DISSOLVING ANOTHER SUBSTANCE
SOLUTE
THE SUBSTANT THAT DISSOLVES INTO THE SOLVENT.
SURFACE TENSION
THE CHOESIVE FORCE AT THE SURFACE OF THE BODY OF LIQIUD THAT PREVENTS MOLECULES FROM SEPERATING.
pH
A SCALE RANGING FROM 0-14 MEASURES THE APPROXIMATE CONCENTRATE OF HYDROGEN IONS OF A SUBSTANCE
CONCENTRATION
THE RELATIVE AMOUNT OF A GIVEN SUBSTANCE CONTAINED WITHIN A SOLUTION OR A PARTICULAR VOLUME OR SPACE.
I MOLE=
6.023MOLE
WHAT ARE THE COMMON ELEMENTS IN BIOLOGY
CARBON
OXYGEN
HYDROGEN
NITROGEN
SULFUR &
PHOSPHOROUS