Oxygen is the only element in that list, the rest are compounds.
Answer:

Explanation:
Hello,
In this since one mole equals 6.022x10²³ particles of silver by means of the Avogadro's number, we can compute the moles in 4.27x10²² particles as shown below:

Best regards.
Answer:
No
Explanation:
as it would stay sticked on them forerver amd a time of 2 months it will kill them
Answer:
No
Explanation:
thats scientifically impossible