An oxygen-containing compound shows an absorption band at ∼1700cm−1 and no absorption bands at ∼3300cm−1, ∼2700cm−1, or ∼1100cm−1. What class of compound is it?

b i think it’s a water wheel turning in a stream

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.