please get correct answers
EXTRA CREDIT FOR UNIT 2
Answer all many as you can, submit . It could be worth 9 points, if your answers are correct.
|
Element/ion |
Atomic # |
Mass number |
Protons |
Neutrons |
Electrons |
|
As³- (negative -3) |
33 |
75 |
33 |
42 |
36 |
|
2412 Mg2- |
12 |
24 |
12 |
12 |
10 |
Calculate the average atomic mass of the following unknown element. Fill in all the boxes and then identify the element by matching your calculated average atomic mass with an element on the periodic table.
|
Isotope |
Atomic Mass(amu) |
Abundance |
Calculation |
|
A-33 |
34.66 |
3% |
|
|
A-34 |
35.76 |
95% |
|
|
A-35 |
36.45 |
2% |
Total________________
Element____________________
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