Answer:
use the equation Mass= RFM*Moles
Explanation:
use your periodic table
and create a little table
Answer: bromine
Explanation:
There are a total of 2+2+6+2+6+2+10+5=35 electrons, meaning there are 35 protons. The element with atomic number 35 is <u>bromine</u>
Oxygen (O) ,Neon (Ne),Argon (Ar)