click below
click below
Normal Size Small Size show me how
Chemistry Unit 1
Term | Definition |
---|---|
Chemistry | A science that deals with the structure and properties of matter and energy |
Noble Gases | Group 18 in the periodic table with a full outer shell |
Atomic Number | Amount of protons in a nucleus of an atom |
Nuclear Fusion | A reaction in which two different nuclei join and form a larger nuclei |
Isotope | Atoms with differing amounts of neutrons, but the same amount of protons |
Significant Figure | The figure of a number that expresses a magnitude to a specific degree of accuracy |
Density | Mass per unit of volume |
Metalloid | Elements that have properties of both metals and nonmetals |
Mass Number | Sum of the protons and neutrons |
Electron Cloud | System of electrons around a nucleus |
Atom | The smallest particle part of an element which includes protons, neutrons, and electrons |
Precision | Being exact |