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Chem Exam 2
| Term | Definition |
|---|---|
| First Energy Level | Closest to the nucleus |
| d block | transition metals |
| orbital | region where electrons are located |
| 2p | last sub level in nitrogen with electrons |
| f sublevel | holds up to 14 electrons |
| fourth energy level | largest size and greatest energy |
| 2s | last sub level in lithium with electrons |
| energy level or shell | a group of sub levels with similar energy |
| s sub level | has 1 orbital |
| 3p | last sub level in chlorine with electrons |
| p block | groups 3-8 on periodic table (not helium) |
| second energy level | contains s and p sub level |
| s block | groups 1 and 2 on period table (+ helium) |
| 1s | first sub level filled for any element |
| d sub level | has 5 orbitals |
| third energy level | contains s, p, and d sub levels |
| p sub level | can hold up to 6 electrons |
| 3s | last sub level in magnesium with electrons |
| sub level | group of orbitals of the same type |
| valence electrons | electrons in the outermost energy level |
| core electrons | all other |
| Diatomic Elements | H N O F Cl Br I |
| Avogadros number | 6.022x10^23 = 1 mole |
Created by:
guetf240
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