13. If atoms from two different elements react to form a compound, the element with a higher number
will have a negative oxidation
A. atomic radius
B. energy
C. electronegativity
D. atomic number

58750.08068 is the answer i think

answer carbon and three oxygen atoms;

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.