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22 Cards in this Set
- Front
- Back
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name the prefixes
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mono, di, tri, tetra, penta, hex, hepta, octa, nona, deca
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covalent bonds
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add prexies to the ...
first element but only if there is more than one always the second element and add ide to the last element aswell |
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gamma
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goes threw anything
0/0 y y |
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alpha
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a or 4/2He
stops at paper |
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beta
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b or -0/1e
goes threw paper stops at hand |
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ionic bonds
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add ide to the second element
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nuclear chemical formula
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you find the number of atoms and put it over the element number and find the numbers it need to equel the type of decay it underwent
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what are the steps for making the lews dot structures
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1. add number of valence electrons
2. add number of electrons WANTED (H and He want only 2) 3. subtract these two numbers 4. divied the number my 2 and this ist he number of bonds |
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endothermic reaction
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has heat in the reactands and is cold
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exothermic reacton
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has heat in the reactant and is hot
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charge of an ionic comount
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positive
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cations
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atoms that lose electrons and become positive
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anions
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when atoms gain electrons to become negitive
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catalyst
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lovers activiation energy and SPEEDS UP THE REACTION
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metal
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good conducter
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non metal
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good inozation energy
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metalloid
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good electronegativity
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non mentals form anions becase...
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they want ot gain electrons to get 8 of them
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greatest atomic radius
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goes farther down and to the left of the perodic table
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what orbitals have valence electrons
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s and p
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why is atomic mass a decimle
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its an average of all isotopes
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what type of reaction is brekaing chemical bonds
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endothermic
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