3.00097 x 
atoms are contained in 100.0 g of mercury.
<h3>What is moles?</h3>
The mole is defined as the amount of substance that contains as many elementary entities as there are atoms in exactly 12 g of carbon-12.”
Number of moles of mercury = 
Number of moles of mercury = 
= 0.4985 moles
Number of moles of mercury = Number of atoms = moles of Hg x 
= 0.4985 x
= 3.00097 x atoms.
Hence, 3.00097 x atoms are contained in 100.0 g of mercury.
Learn more about the moles here:
brainly.com/question/26416088
#SPJ1
Answer:
so i never did this befor so i am sorry hope you get the answer
Explanation:
Answer:
Sort the lab chemicals in alphabetical order for quick access.
Become familiar with the chemicals to be used, including exposure or spill hazards.
Locate the spill kits and understand how they are used.
Explanation:
There are many chemicals in a laboratory hence they should be sorted out and arranged in alphabetical order so that theory can easily be identified and located whenever they are required.
The properties of each chemical should be known especially hazards connected to exposure or spill of the chemicals.
The students should also familiarize themselves with the contents of spill kits and how they are used.
The other dude is rude wrong
The correct answer is Dmitri Mendeleev
