Do you mean "phase"?
The phrase "energy is conserved" means that the total amount of energy in a closed system remains constant over time. Energy can change forms or be transferred between objects within the system, but the total energy within the system remains the same.
it is a phrase
of energy
adverb
An adverbial phrase modifies a verb, an adjective, or another adverb by providing information about time, manner, place, or frequency. For example, "in the morning" or "very quickly." An adjectival phrase modifies a noun or pronoun by providing additional information about it. For example, "covered in snow" or "full of energy."
Yes. and the adjective phrase in this is "of energy"
difference between sentence and phrase in math
Electron orbits are quantized, meaning they can only exist at specific energy levels called "shells". These shells are increasing in energy from the innermost to the outermost, and electrons can jump between them by absorbing or emitting energy.
The phrase "energy is quantified" means that energy comes only in certain electromagnetic wavelengths. In addition to being continuous, energy can also be discrete, or come in quanta, or "packets" of electromagnetic radiation.
If you hit a nail with a hammer.
Both are same
A phrase is a group of words with no subject or verb.