chem

e- geometry

100

BF3

electron geometry?

a)  linear
b) tetrahedral
c) trigonal planar 

3 bonds, no lone pairs

c) trigonal planar

200

what is electron geometry

Electron geometry helps us in determining the arrangement of various electron groups.

300

I2 electron geometry

linear

400

what is the electron geometry of 6 bonds

octahedral

500

CO2 

CO2 has 2 electron domains, resulting in a linear electron domain geometry

VESPR/molecular shape

100

BBr3

molecular shape options:

 bent
 linear
 tetrahedral
 trigonal planar
 trigonal pyramidal

trigonal planar

200

what is molecular geomtry/shape?

it helps us in determining the entire atom and its configuration. It is the three-dimensional arrangement of all the atoms in a given molecule.

300

what is the shape of 5 electron domains: 3 bonds and 2 lone pairs

t shape

400

xenon tetrafluoride

 hybridization, shape and formula

XeF4

square planar

sp3d2 hybridization

500

shape of 2 bonds and one lone pair, 3 domains total

bent

e- configuration

100

Xe

[Kr] 4d¹⁰ 5s² 5p⁶

200

what element is [He] 2s2 2p2

carbon 

300

what is the most electronegative element's electron configuration

fluorine

1s2 2s2 2p5

400

gold 

[Xe]. 4f14. 5d10. 6s1

500

gallium

[Ar]. 3d10. 4s2. 4p1

balancing

100

__ H3PO4 + ___ KOH ----> ___ K3PO4 + ___ H2O

3KOH + H3PO4 → K3PO4 + 3H2O

200

__ Cs + ___ N2 ---> ___ Cs3N

6Cs + N2 → 2Cs3N

300

___ CH3CH2CH2CH3 + ___ O2 --> __ CO2 + ___ H2O

2CH3CH2CH2CH3 + 13O2 → 8CO2 + 10H2O

400

_ Ca3(PO4)2 +_ SiO2 +_ C --> _ CaSiO3 +_ CO + _ P

Ca3(PO4)2 + 3SIO2 + 5C → 3CaSIO3 + 5CO + 2P

500

hydrochloric acid  +    strontium hydroxide  →            strontium chloride  +   water

Sr(OH)2 + 2HCl → SrCl2 + 2H2O

random

100

butane

C₄H₁₀

200

2 H2O -->2 H2 + O2 

How many moles of O2 are produced when 1.26 moles of H2O is reacted?

.630 mol O2

300

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

400

what is a carbonate

A carbonate is a salt of carbonic acid (H2CO3)

500

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