These statements describe three different reactions.
2 answers:
Answer: Option (b) is the correct answer.
Explanation:
When an atom shares electrons with another atom then it results in the formation of covalent bond.
Whereas when an atom transfer electrons from one atom to another then it results in the formation of ionic bond.
When nucleus of an atom splits then it represents nuclear fission reaction and energy is released during this process.
For example,
Therefore, we can conclude that out of the given options, the nucleus of an atom is split apart most likely release the greatest amount of energy.
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= 24.3
The average atomic mass of X is the <em>weighted average</em> of the atomic masses of its isotopes.
We multiply the atomic mass of each isotope by a number representing its <em>relative importance</em> (i.e., its % abundance).
Thus,
0.790 × 24 u = 18.96 u
0.100 × 25 u = 2.50 u
0.110 × 26 u = <u>2.86 u</u>
TOTAL = 24.3 u
∴ The relative atomic mass of X is 24.3.