The hemoglobin content of blood is about 15.4 g/100ml blood. the molar mass of hemoglobin is about 64500 g/mol, and there are four iron (fe) atoms in a hemoglobin molecule. you may want to reference ( page ) section 3.1 while completing this problem. part a approximately how many fe atoms are present in the 6 l of blood in a typical adult?

sry but any answer choices

"among the transition metal elements, manganese and zinc have a slight lowering of electronegativities. the reason behind this is that the nuclear charges of these elements are slightly weaker than the other transition metal elements due to the way their valence electrons are filled up. both manganese and zinc have their valence electrons filled up to the 4th shell with 1 pair of electrons (4s2) completely occupying it. although the electrons in the 3rd shell (3d) are yet to be paired since the outer most shell is filled up, the ability of the nucleus to attract electrons is lessened. hence,   the electronegativity (or the ability to attract electrons) is lessened."