Question | Answer |
What shows the arrangement of electrons in the orbitals of an atom called? | electron configuration |
What rule/principle states that an orbital can only contain 2 electrons with opposite spins? | Pauli exclusion principle |
What rule/principle means to build or electrons fill orbitals starting at the lowest energy levels first building up to higher levels | Aufbau principle |
What rule/principle says every orbital in a sub-level is singly occupied before a second electron can be added to an orbital? | Hund's rule |
What does "ground state" of an atom is...? | lowest energy level of that atom |
What are the 4 sub-levels called? | s, p, d, f |
How many orbitals does an s sublevel have? | 1 |
How many orbitals does a p sublevel have? | 3 |
How many orbitals does a d sublevel have? | 5 |
How many orbitals does an f sublevel have? | 7 |
Each orbital can hold how many electrons? | 2 |
What is the term for a positive ion? | cation |
What is the term for a negative ion? | anion |
These orbitals are dumbbell shaped. | p |
An atom with one or more electrons in a higher energy level than normal | excited state |
The period that an element is in tells us its ...? | highest energy level |
The last digit of the column number that a main group element is in tells us the ...? | number of valence electrons |
When electrons gain energy they move into ___________________ energy levels | higher |
When excited electrons move back down into their normal configuration, they lose the extra energy by ...? | emitting light |
The first energy level has how many sublevels? | 1 |
The second energy level has how many sublevels? | 2 |
The third energy level has how many sublevels? | 3 |
The fourth energy level has how many sublevels? | 4 |