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chemistry basics

vocabulary and principles

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
Created by: danchopanda



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