<h2>Answer:</h2>
What does Atomic number represents ___________.
What does the Mass number represent ___________
Periods are _____________ rows.
Groups are _____________ columns.
Total elements in periodic table are _____________.
Answer:
It is also called a finite resource
Explanation:
ones that are answered through observing :)
Answer:
I believe is the correct answer
Explanation:
100bromoaniline+nano2+hcl
