25 point assignment
DIATOMICS AND DA BOXES: Due at the Beginning of Class
1. Rewrite BOTH the NAME and the SYMBOL of each
Diatomic
2 times (as seen in yellow highlight)
Iodine Bromine Chlorine Fluorine Oxygen Nitrogen Hydrogen
Iodine Bromine Chlorine Fluorine Oxygen Nitrogen Hydrogen
I2
Br2
Cl2
F2
O2
N2
H2
I2
Br2
Cl2
F2
O2
N2
H2
2. Rewrite each of the following DA boxes
5 times (as seen in
Green highlight). An example(s) is given next to some of the
boxes. Write the example
1 time (as seen in blue highlight)
a) Mol/gram box
1 mole
molar mass in grams
Ex. Nickel (ll) Hydroxide Ni(OH)2
Ni = 1 x 59 O = 2 x 16
1 mole
93 grams
1 mole
molar mass in grams
1 mole
molar mass in grams
1 mole
molar mass in grams
1 mole
molar mass in grams
H= 2 x 1 Total = 93grams
b) Mole/molecule box (no example here)
1 mole
6.02 x 1023 molecules
1 mole
6.02 x 1023 molecules
1 mole
6.02 x 1023 molecules
1 mole
6.02 x 1023 molecules
1 mole
6.02 x 1023 molecules
C) Atom /molecule box
count subscripts for atoms
Ne
1A
1 molecule
count subscripts for atoms
1 molecule
count subscripts for atoms
1mc
N2
2A
1mc
H2O
1 molecule
count subscripts for atoms
1 molecule
count subscripts for atoms
1 molecule
3A
1mc
CH4
5A
1mc
Fe2(SO4)3
17A
1 “mc”