Answer:
The efficiency is never 100% because some energy will either escape through theromal lose or actualy been lost throughout the process of operation. Not 100% of any energy could be converted into moving anything.
Explanation:
Answer:
5 neutrons
Explanation:
Both protons and neutrons have a mass of about 1 atomic mass unit (amu). The number in the notation for an isotope is its mass in amu. That means the number is essentially the sum of protons and neutrons in the isotope (electrons don't contribute significantly to the mass).
If lithium has 3 protons, lithium-8 has 8 - 3 = 5 neutrons.
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