Class IX A free radical has unpaired electrons paired electrons no electrons even no. of electrons Molecular mass of glucose is 180.096 amu 190.096 amu 130.096 amu 181.096 amu Molecular mass of glucose is 180.096 amu 190.096 amu 181.096 amu 130.096 amu Species present in a substance refers to atoms ions molecules representative particles Gram atomic mass of Zn is 23g 12g 63.54g 56.67g Do you really want to submit this quiz? Cancel Submit Quiz
