Term
| Used gold foil experiment to discover nucleus |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Used cathode ray tube to discover electron |
|
Definition
|
|
Term
| Used Oil Drop Experiment to determine the Charge of an electron |
|
Definition
|
|
Term
| Declared that Atoms are the smalleds particles of matter |
|
Definition
|
|
Term
| Stated all things are made of atoms over 2000 years ago |
|
Definition
|
|
Term
| Proposed idea that electrons travel around the Nucleus in orbitals |
|
Definition
|
|
Term
| Elecrons occupy orbitals of the same energy in a way that makes the # of Electrons as high as possible |
|
Definition
|
|
Term
|
Definition
| to ability of an atom to attract electrons |
|
|
Term
| electrons occupy orbitals of the lowest energy first |
|
Definition
|
|
Term
| A horizontal row of elements |
|
Definition
|
|
Term
| The Arangement of electrons around the atom |
|
Definition
|
|
Term
|
Definition
| Math Expression used to figure out where the electrons might be found |
|
|
Term
|
Definition
| The Energy required to remmove an electron from an atom |
|
|
Term
| An orbital may only have 2 electrons |
|
Definition
| Pauli Exclusion Principle |
|
|
Term
| very unreactive group of elements |
|
Definition
|
|
Term
| A vertical column of elements |
|
Definition
|
|
Term
|
Definition
| 1/2 the distance between two joined atoms |
|
|
Term
|
Definition
| The Specific energies an electron in an atom or other system can have |
|
|
Term
|
Definition
| When Elements are arranged by atomic number, there are repitition of properties |
|
|
Term
|
Definition
| Have Properties of Metals and nonmetals |
|
|
Term
| What is Mendeleev Famous for? |
|
Definition
| created a periodic table, but it was arranged by mass |
|
|
Term
| Are negative or positive ions bigger |
|
Definition
| Negative, because it has to gain electrons |
|
|
Term
| What are the names of the Groups with an A at the end? |
|
Definition
|
|
