Answer:
C
Explanation:
it belong to that group as it needs 1 electron to be chemically stable
Answer: Fluorine and chlorine are gases. Bromine is one of only two liquid elements, and iodine is a solid.
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.