chemistry test #2 2012

to become happy atoms have to ___ ___(___ ___).
gain electrons (non metals)
lewis structures-____
covalent
for octet rule metal atoms want ___ v.e and non metals and metalliods atoms want ___ v.e. and hydrogen wants ___ v.e.
0; 8; 2
if an atom want x more electrons it will make x bonds?
common sense
common sense has ___ bond and ___ ions.
donor bonds and polyatomic ions
c-o is example of?
donor bond
H-N-H is example of?
l
H
polyatomic ions
ammonium is?
NH4+
hydroxide is?
OH-
nitrate is?
NO3-
Nitrite is?
NO2-
acetate is?
CH3CO2- or C2H3O2-
perchlorate is?
ClO4-
chlorate is?
ClO3-
chlorite is?
ClO2-
hypochlorite is?
ClO-
carbonate is?
CO3 2-
hydrogen carbonate or bicarbonate?
HCO3-
sulfate?
SO4 2-
sulfite?
SO3 2-
phosphate?
PO4 3-
Linus Pauling at __ yrs old had enough credits to ___ ___ University but did not get a diploma at ___ high school. he graduated from ___ state university
15;oregon state; washington; oregon state
a chemist who specialized in ___ and created the first __ __ compounds and taught at university of ___ ___.
flourine; noble gas; california, berkely
said extent to which an atom desires electrons in a covalent bond?
linus pauling
the more electronegativity a atom has the ___ ___.
bigger share
electronegativity increses from ___ to___. and decreases ___ to ___.
left to right; top to bottom
___ never follows common sense.
boron
1963 made 1st noble gas compound?
neil bartlett
when naming atom 2 is the one further ___ on PT or further ___ on PT except ___.
right; up; H
VSPER stands for?
valenece; shell; electron; pair(group); repulsion
group of electrons around a central atom repel other groups?
shape
2 bonds and 0 lone pairs has ___ electron geometry and ___ shape with ___ degrees.
linear; linear; 180
3 bonds and 0 lone pairs has ___ electron geometry and ___shape with ___ degrees.
trigonal planar; trigonal planar; 120
2 bonds and 1 lone pairs has ___ electron geometry and ___ shape with ___ degrees.
trigonal planar; bent; 118
4 bonds and 0 lone pairs has ___ electron geomotry and ___ shape with ___ degrees.
tetrahedral; tetrahedral; 109.5
3 bonds and 1 lone pairs has ___ electron geometry and ___ shape with ___ degrees.
tetrahedral; trigonal pyramidal; 107
2 bonds and 2 lone pairs has ___ electron geomrtry and ___ shape with ___.
tetrahedral; bent; 104.5
5 bonds and 0 lone pairs has ___ electron geomrtry and ____ shape with ___,___ degrees.
trigonal bipyramid; trigonal bypyramid ; 90,120
6 bonds and 0 lone pairs has ___ electron geomorty and ___ shape with ___.
octrahedral; octrahedral; 90
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