Exam (elaborations)
ACS Gen Chem 1 Exam
Exam of 5 pages for the course Chemistry at Chemistry (ACS Gen Chem 1 Exam)
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ACS Gen Chem 1 ExamIoni -i Correcti Answer-Ai speciesi ofi ani elementi ini whichi thei numberi ofi electronsi doesi
noti equali thei numberi ofi protons.
Isotopei -i Correcti Answer-Eachi isotopei ofi ani atomi hasi ai differenti numberi ofi neutrons.
Isoelectrici -i Correcti Answer-Twoi atomsi withi thei samei charge.
Isotopici -i Correcti Answer-Twoi atomsi withi thei samei numberi ofi neutrons.
Transitioni Metali Orbitalsi -i Correcti Answer-Thei 4si orbitali isi filledi beforei thei 3di orbital,i
buti listedi after.
Paramagnetici -i Correcti Answer-Atomsi thati possessi ai permanenti magnetici chargei duei toi
thei presencei ofi unpairedi electrons.
Electropositivei -i Correcti Answer-Tendingi toi losei electronsi andi formi positivei ions.
Tetrahedrali Bondi Anglei -i Correcti Answer-109.5°
Resonancei Structuresi -i Correcti Answer-Twoi equallyi correcti arrangementsi ofi onei
molecule'si electrons;i generallyi thei moleculei existsi asi ani averagei ofi thei two.
Polari Moleculei -i Correcti Answer-Ai moleculei thati isi mostlyi positivei oni onei sidei andi
mostlyi negativei oni thei other.
, sp³i Orbitali -i Correcti Answer-Ani orbitali composedi ofi onei si orbitali andi threei pi orbitals;i
cani holdi eighti totali electrons.i Tetrahedral.
Trigonali Planari -i Correcti Answer-Thei wayi thati threei objectsi willi arrangei themselvesi
aroundi ai centrali atom.i Non-polar.
Freei Radicalsi -i Correcti Answer-Compoundsi withi ani oddi numberi ofi electronsi ini theiri Lewisi
Structure.i Eg.i NO₂
Incompletei Octetsi -i Correcti Answer-Occuri ini elementsi thati cani formi stablei bondsi withi lessi thani
eighti electrons.i Eg.i BF₃
Expandedi Octetsi -i Correcti Answer-Occuri ini thei thirdi rowi ofi thei periodici tablei andi beyondi ini
elementsi thati cani formi stablei bondsi withi morei thani eighti electrons.i Eg.i XeF₂
Hydrogeni Bondingi -i Correcti Answer-Wheni hydrogeni isi attractedi toi electronegativei atoms.
Sigmai Bondingi -i Correcti Answer-Formedi byi head-oni overlappingi betweeni orbitals.
Coordinatei Covalenti Bondingi -i Correcti Answer-Ai covalenti bondi ini whichi thei twoi electronsi derivei
fromi thei samei atom;i occursi mosti ofteni betweeni Lewisi acidsi andi bases.
Hybridizationi -i Correcti Answer-Mathematicali procedurei ini whichi thei standardi atomici orbitalsi
combinei toi formi newi orbitals.
sp²i Orbitali -i Correcti Answer-Composedi ofi onei si orbitali andi twoi pi orbitals;i cani holdi sixi totali
electrons.i Trigonali planar.
Pii Bondingi -i Correcti Answer-Bondingi occursi betweeni orbitalsi thati arei side-by-side.
spi Orbitali -i Correcti Answer-Composedi ofi onei si andi onei pi orbital;i cani holdi fouri electrons.i Linear.
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