Amplifiers and watts and decibels <span />
bitly coin downloadExplanatibitly coin downloadon:
7 count the dots in the middle for you answer and if not it’s 3
I looked up what is the molecular formula for Phosphine and got this: PH3
Hope this helps! Let my know if this was correct.
Answer:
Relative atomic mass or atomic weight is a dimensionless physical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant. The atomic mass constant is defined as being 1/12 of the mass of a carbon-12 atom.