Answer: 272.5915639999...
Explanation:
This is not chemistry but
see it is a triangular prim on it's side
V=BH
are of base times height
the base is a triangle
height is 18.5
base=1/2bh
b=8.6
h=8.4
base=1/2(8.6)(8.4)
base=36.12
V=bh
V=36.12*18.5
V=668.22
round
V=668.2 ft^3
The periods inside the Periodic Table is B. a horizontal row, and is numbered 1 through 7
hope this helps
<span>The number of neutrons bromine will have are equal to
= protons + neutrons
so,
80-35=45</span>
The answer is A, good luck