Polyatomic ion: a covalently bonded group of atoms that has a positive or negative charge and acts as a unit.
Answer:
The half-life of a radioisotope describes the amount of time it takes for said isotope to decay to one-half the original amount present in the sample.
Nitrogen-13, because it has a half-life of ten minutes, will experience two half-lives over the course of the twenty minute period. This means that 25% of the isotope will remain after this.
0.25 x 128mg = 32mg
32mg of Nitrogen-13 will remain after 20 minutes.
O<span>ctane has a higher boiling point than pentane because it contains a higher amount of atoms specifically carbon than the number of propane found on it. You can find a large number of London dispersion which is attractive forces than butane. </span>
Answer:
it can be tooo. long or coplicated because nomatter how long u stay in school they give u homework and also a lot of people have jobs when would they be ableto work
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