click below
click below
Normal Size Small Size show me how
Mrs.Irving's Bio
Chapter 3 Terms Part 2
Term | Definition |
---|---|
neutron | a subatomic particle in the nucleus that has no charge |
ionic bond | a type of bond in which ions are held together by the strong attraction of opposite charges |
base | a substance that can accept a proton (H+) or donate an electron pair |
hydrogen bond | a weak electrical attraction between a slight positive charge on a hydrogen atom and a slight negative charge on another. |
buffer | can receive small amounts of either an acid or a base without changing in pH |
pH | a measurement of a substance's hydrogen ion concentration |
diversity | things that are not the same |
isotope | an atom with the same number of protons, but a different number of neutrons |
electron cloud | the space electrons occupy in an atom |
organization | the different levels of living things |
bacteria | the simplest single cells that carry out basic life activities |
molecule | contains two elements |