Your class goes on a field trip to observe drilling machinery. The geologists at the drill site show you displays of drilled roc
1 answer:
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Answer:
Explanation:
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In this case, since the radioactive reaction for the alpha emission of astatine-218 to bismith-214 involve the release of a helium atom as shown below:
Whereas the atomic number decreases by 2 and the mass number by 4 in agreement to the release of the Helium atom.
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Answer:
Number of moles
Explanation:
Using the number of moles in chemical reactions, we can determine the quantity of products and even the reactants that are combining to form them.
The number of moles is derived using the expression below is;
Number of moles =
Once we establish the number of moles of any of the specie given from the mass and molar mass, we can relate it to any other species.