scientists can use absorption spectra to analyze unknown substances. identify the elements present in the sample that produces the spectra in figure 2.

i'm not sure

explanation:

i'll try whatever you got

oh it is true if thats what you are asking

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.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.