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chemistry basics
vocabulary and principles
Question | Answer |
---|---|
spdf electron configuration s (spherical) p (polar) d f ORDER | s: 2 electrons ( e- ) p: 6 e- d: 10 e- f: 14 e- ORDER : s / s / p s / p s / d p s / d p s / f d p s / f d p 1s / 2s / 2p 3s / 3p 4s / 3d 4p 5s / 4d 5p 6s / 4f 5d 6p 7s / 5f 6d 7p |
spdf electrons in graduation | 1s / 2s / 2p 3s / 3p 4s / 3d 4p 5s / 4d 5p 6s // 4f 5d 6p 7s // 5f 6d 7p 2 > 4> 10>12>18>20>30>36>38>48>54>56//>70>80>86>88//>102>112>118 |
empirical formula key | 1. FIND THE RATIO!!! RATIO IS KEY [smaller product mass] divided by [substance mass] 2. then find the moles of each substance after you've figured out the ratio 3. then find the ratio of each mole to the smallest mole number! this will reveal! |
explain the reaction types 1) single displacement (single replacement) 2) double displacement (double replacement) | name the reaction type 1) A+BC --> AC + B a lone ion changes from one element to another "hoe-down, one partner is alone" 2) AB + CD --> AD + CB two anions each switch cations "do si do dance - double displacement, both partners switch " |
explain reaction types 1) synthesis reaction AKA _______ 2) decomposition reaction | name reactions 1) A + B ---> AB { AKA combination reaction } 2) AB ---> A + B |
Alkali metals | Lithium Sodium Potassium |
Diatomic molecules | GASES H N O F Cl ... H2, N2, O2, F2, Cl2 |