Draw the oribital diagram of argon
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What is the formula of ammonium and sulfur?
(NH4)2S
Mg (s) + AgNO3 aq > Mg(NO3)2 (aq) + Ag(s)
Mg(s) + 2AgNO3 (aq) > Mg(NO3)2 (aq) + 2Ag(s)
calculate atoms of p in 2.00 moles H3PO4
1.2 x10 ^24 atoms of P
Determine if polar or not NF3
The abbreviated electron configuration of Sb
[Kr]5s^2 4d^10 5p^3
Ba2+ and N3- write ionic formula
Ba3N2
Al (s) + CuSO4 (aq) > Al2(SO4)2 (aq) + Cu (s)
Calculate the number of moles in 25 grams of Ga2S3
.106 moles of Ga2S3
Predict whether the bond is nonpolar, polar, or ionic
Br and F
polar, 4.0 and 2.8= 1.2
Arrange in order of increasing electronegativtiy
Se, Ca, O
Ca,Se,O
FeO write the name
Iron (II) Oxide
Strongest intermolecular force KCl
ionic forces
Moles of O in 2.00 moles of H3PO4
8.00 moles
Indicate the postive and negative side of the dipole and draw the arrow
P and Br
P+-Br- (arrow towards the br)
Explain to the class why Fluorine has very high ionization energy compared to metals.
Fluorine has a smaller size, holding its electrons more tight to the nucleus compared to metals which have a larger size.
Write the name of Si2Br6
disilicon hexabromide
Determine which has higher melting point
HF and HBr
HF because hydrogen forces are stronger than HBr dipole dipole forces
.185 moles of C6H14O calculate atoms of H
1.56x10^24
Lewis structure H2CO
Shape, geometry of SeO2
trigonal planar, and bent shape
Write the name Fe(HCO3)3
Iron (III) hydrogen carbonate
Balance
C3H4 + O2 > CO2 + H2O
C3H4 + 4O2 > 3CO2 + 2H2O
Moles of Fe in 5.22x10^22 atoms
.0867 moles of Fe
Predict angle, shape, geometry of NO2+
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