yes. Phosphorus-32 is synthetically produced. but only for research reasons.
This isotope does not occur in the environment and thus must be produced synthetically.
Hallucinogens are naturally-occurring or synthetically-produced drugs that can cause hallucinations
naturally
It can't be grown or produced synthetically.
Urea is organic regardless of how it is produced. Its chemical formula is: CO(NH2)2https://en.wikipedia.org/wiki/Urea#Chemical_industry
This isotope does not occur in the environment and thus must be produced synthetically.
Hallucinogens are naturally-occurring or synthetically-produced drugs that can cause hallucinations
naturally
MCR.
It can't be grown or produced synthetically.
Interferon
Since the first element ever produced synthetically was Technetium, then it will be in the Transition Metal block.
Yes, most of the main isotopes of platinum are natural, all others- including radioisotope Pt-197-must all be synthetically produced in a laboratory.
Butane is an alkane produced synthetically from petroleum.
No. There are twenty elements that can only be produced synthetically.
Lawrencium is an artificial element.
Calcium produced as aminoate complex means that the calcium was synthetically produced. This is the opposite of it naturally occurring.