a kind of catalyst that controls the rate of chemical reactions in living systems
specialized molecules that control the rate of chemical reactions
molecules that contain polar and nonpolar ends.. they attract water and oil. They break down surface tension
percent hydrogen ions contained in a solution
a scale used to measure how acidic or basic a solution is
electrons are transferred from one atom to another, whih causes different charges and ions to form a bond
electrons that are shared between atoms
number of electrons that participate in bonding (oxidation state)
postively charged ions that give away electrons
A negatively charged ion that accepts electrons
two bonded atoms that form a neutral particle
when two atoms share two pairs of electrons
Can atoms share three pairs of electrons?
Arrangment of molecular compounds
Are water molecules polar or nonpolar?
when they form chemical bonds
When can atoms combine to form molecules and compounds?
the outer shell and sub-shell
Which parts of an electron take part in bonding?
atoms that carry a charge