So it could be used in every country(different languages) yet still understood
Answer:
3 grams??
Explanation:
I think this would be the answer you are looking for.
Answer:
Thorium-229 is a very insoluble metal that emits radioactive alpha particles. It is generated by the decay of uranium-233 and has a half-life of 7.340 years.
Explanation:
braliyest please
The radioactive decay of uranium -238 in the earth's crust produces radioactive radon gas Rn-222 which escapes into the atmosphere is one common cause of background radiation.
The law of conservation of mass dictates that the total mass of reactants must be equal to the total mass of the products. Thus:
mass(MgO) = mass(Mg) + mass(O)
mass(MgO) = 24 + 16
mass(MgO) = 40 g
The third option is correct.