Answer:
its B
Explanation:
trust me i had this in my usatestprep, also follow me on tiktok, its ultrasolos
The answer is nonmetal. good luck and give thanks :)
Radioactivity another name for radioactive decay. Radioactivity refers to particles emitted from nuclei as a result of nuclear instability.
Molecular mass of H2O is: 16+2*1=18
so moles of 40g of H2O is: 40/18=2.22