I need help answering a, b , and c. please.
1 answer:
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The isotope notation for the isotope of iodine that has 67 neutrons is
Isotopes can be defined as an element members that all have the same number of protons but different numbers of neutrons.
Isotopes possess the same number of protons in a nucleus and this is what defines the element's atomic number.
In conclusion, The isotope notation for the isotope of iodine that has 67 neutrons is
Learn more about Isotopes: brainly.com/question/14220416
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Answer:
Q = 735 J
Explanation:
In this exercise we must assume that all the mechanical energy of the system transforms into cemite energy.
Initial energy
Em₀ = U = m g h
final energy
= Q
Em₀ = Em_{f}
m g h = Q
let's calculate
Q = 30 9.8 2.5
Q = 735 J