A Little Chemistry:Chapter 2-1 and 2-2
H+
Hydrogen ion symbol
H
Hydrogen's symbol
N
Nitrogen's symbol
O
Oxygen's symbol
P
Phosphorus's symbol
Na+
Sodium ion symbol
ions
atoms with an electric charge
macromolecules
molecules that are really, really large are called
proton
positively charged
Ca++
Calcium ion symbol
C
Carbon's symbol
Cl-
Chloride ion symbol
K+
Potassium ion symbol
S
Sulfur's symbol
hydrogen bond
The attraction between the hydrogen atom in one water molecule and the oxygen molecule in another
1.It is a good solvent because it dissolves many kinds of molecules 2.It helps in homeostasis because it doesn't change temperature easily 3.It is polar and forms hydrogen bonds that help water molecules stick together 4.It makes up approximately 70% of all living things and is an important participant/product in many chemical reactions
What is/are true of water
van der Waals forces
a slight attraction that develops between the oppositely charged regions of nearby molecules
two hydrogen atoms and one oxygen atom
a water molecule is made up of
hydrophobic
molecules that are "water fearing" and try to stay away from water or other polar mlecules
polar/ionic
molecules that have an uneven pattern of electric charge (more positive in one area; more negative in another) are said to be
electron
negatively charged
electron
orbits the nucleus in energy levels
reactants
these are written on the left hand side of the arrow in a chemical eqation
H+
these ions are measured with a PH scale and determine the acidity of a solution
polar
these molecules are hydrophilic
neutron
uncharged or neutral