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unit 4 vocabulary
| Term | Definition |
|---|---|
| Atomic mass | Averge mass of one atom of an element |
| Periodic table | A chart of elements showing the repeating patturn of their produce. |
| Chemical Symbol | A one-or-two representation of an element |
| Period | Chemistry: a row of elements in the periodic table arranged by atomic number. |
| Group | Elements in the same berticl column of the periodic table; also called family. |
| Matter | Anything that has mass and occupies space |
| Element | A substance that cannot be broken down into other substance |
| Compound | A substance in which two or more elements are chemically joined. |
| Atom | Smallest particle into which an element can be divided and still have the properties |
| Electron | Negativley charged particle found outside the nucleus of an atom |
| Nucleus | Biology: structure in the center of a cell that contains the cell's DNA |
| Proton | Positivey charged particle located in the nucleus of an atom |
| Neutron | In an atom, particle with a neutral charge; located in teh nucleus. |
| Energy level | The amount of energy carried by an electron in an atom, determine, the electron's average distance from the nucleus. |
| Isotope | An atom with the same number of protons and a diffrent number of neutrons from other atoms of the element. |
| Mass number | The sum of protons in the nucleus of an atom |
| Atomic number | The number of protons in the nucleus of an atom. |
| Metal | A class of elements characterized by physical properties that include shininess, malleable, ductilde cd. |
| Malleable | |
Created by:
isaiahhill
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