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.
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Nitrogen, for example, is a gas that liquefies at about −200° C and freezes around −210° C, whereas bismuth is a solid melting at 271° C and boiling at about 1,560° C.
Answer: option B. The number of the outer most energy level for elements in that period
Explanation:
Depend on the amount of matter being measured