e- geometry
BF3
electron geometry?
a) linear
b) tetrahedral
c) trigonal planar
3 bonds, no lone pairs
c) trigonal planar
BBr3
molecular shape options:
bent
linear
tetrahedral
trigonal planar
trigonal pyramidal
trigonal planar
Xe
[Kr] 4d¹⁰ 5s² 5p⁶
__ H3PO4 + ___ KOH ----> ___ K3PO4 + ___ H2O
3KOH + H3PO4 → K3PO4 + 3H2O
butane
C₄H₁₀
what is electron geometry
Electron geometry helps us in determining the arrangement of various electron groups.
what is molecular geomtry/shape?
what element is [He] 2s2 2p2
carbon
__ Cs + ___ N2 ---> ___ Cs3N
6Cs + N2 → 2Cs3N
2 H2O -->2 H2 + O2
How many moles of O2 are produced when 1.26 moles of H2O is reacted?
.630 mol O2
I2 electron geometry
linear
what is the shape of 5 electron domains: 3 bonds and 2 lone pairs
t shape
what is the most electronegative element's electron configuration
fluorine
1s2 2s2 2p5
___ CH3CH2CH2CH3 + ___ O2 --> __ CO2 + ___ H2O
2CH3CH2CH2CH3 + 13O2 → 8CO2 + 10H2O
Fe + O2 --> Fe2O3
balance equation then
How many grams of Fe2O3 are produced when 42.7 grams of Fe is reacted?
balanced:
4 Fe + 3 O2 --> 2 Fe2O3
61.0g Fe2O3
what is the electron geometry of 6 bonds
octahedral
xenon tetrafluoride
hybridization, shape and formula
XeF4
square planar
sp3d2 hybridization
gold
[Xe]. 4f14. 5d10. 6s1
_ Ca3(PO4)2 +_ SiO2 +_ C --> _ CaSiO3 +_ CO + _ P
Ca3(PO4)2 + 3SIO2 + 5C → 3CaSIO3 + 5CO + 2P
what is a carbonate
A carbonate is a salt of carbonic acid (H2CO3)
CO2
CO2 has 2 electron domains, resulting in a linear electron domain geometry
shape of 2 bonds and one lone pair, 3 domains total
bent
gallium
[Ar]. 3d10. 4s2. 4p1
hydrochloric acid + strontium hydroxide → strontium chloride + water
Sr(OH)2 + 2HCl → SrCl2 + 2H2O
2 C4H10 + 13 O2 --> 8 CO2 + 10 H2O
How many grams of CO2 are produced from the combustion of 100. grams of butane?
How many grams of O2 are needed to react with of 100. grams of butane?
How many grams of H2O are produced when 5.38g of O2 is reacted?
1. 303g CO2
2. 358g O2
3. 2.33g H2O