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1. Why has a double-magic superheavy element never been successfully created so far?
a. The double-magic superheavy atoms do not last long enough to be detected.
b. The superheavies have too many protons to be double magic and thus cannot be produced.
c. The accelerated particle beams lack sufficient energy to fuse the superheavy nuclei.
d. Targets made of sufficiently high-z elements have not been produced.
cross out
e. There are not enough neutrons in the elements used to create the superheavies.
2.We find that two liters of ammonia (NH3) can react with two liters of oxygen gas (O2), producing nitrous oxide (N2O) - this is known as laughing gas - as well as water vapor. According to the discoveries of Lavoisier, Dalton, Avogadro, etc, how many liters of nitrous oxide and water vapor are produced by this reaction?
The resistivity of the copper is 1.7x10^(-8)Ω.m. Calculate the number of turns of wire needed if the radius of the solenoid is to be 0.52 centimeter and calculate the length of the solenoid in centimeter
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