Dr. Roberts Chemistry 122 Test Chapters 4 & 5 – Flashcards
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Ionic Compounds |
M + NM
|
Subscript |
Ratio of combination must give compund w/ zero charge |
Covalent Nomenclature |
NM + NM binary |
Mono |
One |
Di |
Two |
Tri |
Three |
Tetra |
Four |
Penta |
Five |
Hexa |
Six |
Hepta |
Seven |
Octa |
Eight |
Nona |
Nine |
Deca |
Ten |
How do we check for octets in a Lewis structure? |
Count the valence electrons to see if there are 8 |
Electronegativity |
Ability of atom to attract e-'s in covalent bound |
; ; ; ; ; Electronegativity = Small (0 - 0.4) |
; ; ; ; ; Covalent NM + NM |
; ; ; ; ; Electronegativity 0.4 - 1.7 |
; ; ; ; ; Polar Covalent NM + NM |
; ; ; ; ; Electronegativity ; 1.7 |
; ; ; ; ; Ironic M + NM |
; ; ; ; Name N2O |
; ; ; ; ; dinitrogen monoxide |
; ; ; ; ; Name NO2 |
; ; ; ; ; Nitrogen dioxide |
; ; ; ; ; Name Al2(SO4)3 |
; ; ; ; ; Aluminum sulfate |
; ; ; ; ; Name P4O10 |
; ; ; ; ; ; Tetraphosphorus Decaoxide |
; ; ; ; ; Name Li2O |
; ; ; ; ; Lithium Oxide |
; ; ; ; ; Formula Iodine tricholoride |
; ; ; ; ; ICl3 |
; ; ; ; ; Formula Calcium nitride |
; ; ; ; ; CaN2 |
; ; ; ; ; Formula Carbon monoxide |
; ; ; ; ; CO |
; ; ; ; ; Trend for electronegativity |
; ; ; ; ; nonmetals have high electronegativity metals have low |
; ; ; ; ; Which element is most electronegative? |
; ; ; ; ; Fluorine ; ; ; ; |
; ; ; ; ; Where can the least electronegative elements be found? |
; ; ; ; ; On the left of the periodic table |
; ; ; ; ; Most likely charge for an ion formed from calcium is? |
; ; ; ; ; +2 |
; ; ; ; compound fromed from hydrogen and bromine is expected to be an _____ compound? |
; ; ; ; ; Covalent |
; ; ; ; ; ; Carbon has a _____ electronegativity then Oxygen? |
; ; ; ; ; Lesser |
; ; ; ; ; What are products of complete combustion of hydrocarbon? |
; ; ; ; ; Carbon dioxide and water |
; ; ; ; ; ; H2O is expected to be a ____ molecule? |
; ; ; ; ; Bent |
; ; ; ; In a balanced chemical equation the total number of moles of reactants _____; have to equal to the total number of moles of products |
; ; ; ; dosn't |
the carbon chlorine bond in carbon tetrachloride is expected to be _______ |
polar |
% Yield |
= actual yield/theoretical yield x 100%
|
Combination Reactions |
two or more elements or simple compounds bond together to form one product. |
Decomposition Reactions |
splits two or more simpler products |
Oxidation - Reduction |
definded as reactions with a loss and a gain of e-'s among the reactants. ; Metals lose e-'s Nonmetals gain them
|
Single displacement |
reacting element switches place with an element in the other reacting compound. |
Double displacement |
positive ions in the reacting compunds switch places. |
What is a hydrocarbon |
organic compounds consisting of only carbon and hydrogen |