Yes!!! The allotrope ' yellow flowers of sulphur' is quite soft and can be scratched with a finger nail.
quartz
iron, copper and nickel mainly
All zinc nails rust over a long period of time. One that has been scratched will rust sooner. You could touch over with a zinc paint. I would need to know more. I cant see any problems.
Yes, While there are many different types of magnets and magnetic material, the most common elements that can hold a magnetic charge naturally (ferromagnetic) include "Iron" "Cobalt" and "Nickel"
Yes!!! The allotrope ' yellow flowers of sulphur' is quite soft and can be scratched with a finger nail.
yes it can be scratched by certain things
Yes.
nickel
nickel
yes itt can
It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5
quartz
It can be scratched by a diamond, corundum, topaz, and quartz.
go seek medical advise
yes graphite can be scrathced by a nail
Yes. A steel nail has a Mohs hardness greater than that of fluorite.