Only a substance can be categorized as an element, a compound, or a mixture. An ink pen is not a substance, it is an implement.
Added:
The 'ink' (IN a pen) is definitely a mixture,not an element or pure compound.
No it is a mixture
i can't answer
Ink is always a mixture.
Pen ink is a mixture.
ink is a solution
ink is a mixture mate! im not being sarcastic
it is a mixture..homogenous and a colloid one....
The ink may be a homogeneous mixture.
because ink is have one phase it called(homogeneous)
ink is a mixture of a carrier and a pigment.
mixturemarker ink is a mixture.
The evidence that exists that marker ink is a mixture is that the ink can be separated into black and other color pigments. This can be done on filter paper by dotting the marker just above the edge and adding ethyl alcohol, which drags the pigments separately across the paper.
ink is a solution
It is a mixture containing melanin.
ink is a mixture mate! im not being sarcastic
it is a mixture..homogenous and a colloid one....
The ink may be a homogeneous mixture.
compound
because ink is have one phase it called(homogeneous)
Because it is either a suspension or a solution or a mixture of both. No pure substance yet identified will provide all that is needed of an ink.
It is a mixture, because everything in it retains their characteristic properties.