I think answer is
C. Something that can be observed or measured while changing the identity of the substance
That's a ketone's functional group :)
For the very last question you would first divide 8,900 by 12 and the number you get will be the answer. You should get 741.66
Electrons are valence and free moving so they take place in charge transfer
An atom gains an electron from another atom. Hence, option B is the correct answer.
<h3>What is an atom?</h3>
An atom is a particle of matter that uniquely defines a chemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons.
When an atom shares electrons with another atom then it results in the formation of a covalent bond.
Whereas when an atom transfer electrons from one atom to another then it results in the formation of an ionic bond.
When the nucleus of an atom splits then it represents a nuclear fission reaction and energy is released during this process.
Hence, option B is the correct answer.
Learn more about the atom here:
brainly.com/question/1566330
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