Answer:
Benzene must be kept away from flames.
Explanation:
Edge2020
A) Z + 4
In the actual atom, half of the nucleus would be protons and the other half neutrons, hence the 2z. The additional four in the expression must be neutrons because adding protons would change the element all together.
Answer:
hope it helps you....
Explanation:
natural and social environment.
Yes they most certainly are
<span>0.504 moles
First look up the atomic weight of mercury.
atomic weight of mercury = 200.59
Then divide the mass of the mercury you have by it's atomic weight
101 / 200.59 = 0.503515
So you have 0.503515 moles of mercury. Round the result to 3 significant digits giving you 0.504 moles.</span>
