Answers for Atomic structure worksheet's
SKILL DEVELOPMENT EXERCISES
1.
| ISOTOPE |
Z
|
A |
e- |
| 31P |
15
|
31
|
15
|
18O
|
8
|
18
|
8
|
39K
|
19
|
39
|
19
|
58Ni2+
|
28
|
58
|
26
|
2. 1H atom 1.6736x10-24 g
1.0078 amu x 1.6606x10-24 g/amu
12C atom 1.9927x10-23 g
12 amu x 1.6606x10-24 g/amu
3. 8.67x10-17 g
4.35x106 atoms x 1.9927x10-23 g/atom
4. 12.00 g
6.022x1023 atoms x 1.9927x10-23 g/atom
5. 12C16O2 7.3050x10-23
g
16O = 16O2-2 - 2 electrons
= 15.9960 - 2x0.0005 = 15.9950 amu
{12 + 2 x 15.9950} x 1.6606x10-24 g/amu
13C16O2
7.4718x10-23 g
{13.0034 + 2 x 15.9950} x 1.6606x10-24 g/amu
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